diff --git a/inst/reveal.js-4.6.1/plugin/search/plugin.js b/inst/reveal.js-4.6.1/plugin/search/plugin.js
new file mode 100644
index 0000000..5d09ce6
--- /dev/null
+++ b/inst/reveal.js-4.6.1/plugin/search/plugin.js
@@ -0,0 +1,243 @@
+/*!
+ * Handles finding a text string anywhere in the slides and showing the next occurrence to the user
+ * by navigatating to that slide and highlighting it.
+ *
+ * @author Jon Snyder <snyder.jon@gmail.com>, February 2013
+ */
+
+const Plugin = () => {
+
+	// The reveal.js instance this plugin is attached to
+	let deck;
+
+	let searchElement;
+	let searchButton;
+	let searchInput;
+
+	let matchedSlides;
+	let currentMatchedIndex;
+	let searchboxDirty;
+	let hilitor;
+
+	function render() {
+
+		searchElement = document.createElement( 'div' );
+		searchElement.classList.add( 'searchbox' );
+		searchElement.style.position = 'absolute';
+		searchElement.style.top = '10px';
+		searchElement.style.right = '10px';
+		searchElement.style.zIndex = 10;
+
+		//embedded base64 search icon Designed by Sketchdock - http://www.sketchdock.com/:
+		searchElement.innerHTML = `<input type="search" class="searchinput" placeholder="Search..." style="vertical-align: top;"/>
+		</span>`;
+
+		searchInput = searchElement.querySelector( '.searchinput' );
+		searchInput.style.width = '240px';
+		searchInput.style.fontSize = '14px';
+		searchInput.style.padding = '4px 6px';
+		searchInput.style.color = '#000';
+		searchInput.style.background = '#fff';
+		searchInput.style.borderRadius = '2px';
+		searchInput.style.border = '0';
+		searchInput.style.outline = '0';
+		searchInput.style.boxShadow = '0 2px 18px rgba(0, 0, 0, 0.2)';
+		searchInput.style['-webkit-appearance']  = 'none';
+
+		deck.getRevealElement().appendChild( searchElement );
+
+		// searchButton.addEventListener( 'click', function(event) {
+		// 	doSearch();
+		// }, false );
+
+		searchInput.addEventListener( 'keyup', function( event ) {
+			switch (event.keyCode) {
+				case 13:
+					event.preventDefault();
+					doSearch();
+					searchboxDirty = false;
+					break;
+				default:
+					searchboxDirty = true;
+			}
+		}, false );
+
+		closeSearch();
+
+	}
+
+	function openSearch() {
+		if( !searchElement ) render();
+
+		searchElement.style.display = 'inline';
+		searchInput.focus();
+		searchInput.select();
+	}
+
+	function closeSearch() {
+		if( !searchElement ) render();
+
+		searchElement.style.display = 'none';
+		if(hilitor) hilitor.remove();
+	}
+
+	function toggleSearch() {
+		if( !searchElement ) render();
+
+		if (searchElement.style.display !== 'inline') {
+			openSearch();
+		}
+		else {
+			closeSearch();
+		}
+	}
+
+	function doSearch() {
+		//if there's been a change in the search term, perform a new search:
+		if (searchboxDirty) {
+			var searchstring = searchInput.value;
+
+			if (searchstring === '') {
+				if(hilitor) hilitor.remove();
+				matchedSlides = null;
+			}
+			else {
+				//find the keyword amongst the slides
+				hilitor = new Hilitor("slidecontent");
+				matchedSlides = hilitor.apply(searchstring);
+				currentMatchedIndex = 0;
+			}
+		}
+
+		if (matchedSlides) {
+			//navigate to the next slide that has the keyword, wrapping to the first if necessary
+			if (matchedSlides.length && (matchedSlides.length <= currentMatchedIndex)) {
+				currentMatchedIndex = 0;
+			}
+			if (matchedSlides.length > currentMatchedIndex) {
+				deck.slide(matchedSlides[currentMatchedIndex].h, matchedSlides[currentMatchedIndex].v);
+				currentMatchedIndex++;
+			}
+		}
+	}
+
+	// Original JavaScript code by Chirp Internet: www.chirp.com.au
+	// Please acknowledge use of this code by including this header.
+	// 2/2013 jon: modified regex to display any match, not restricted to word boundaries.
+	function Hilitor(id, tag) {
+
+		var targetNode = document.getElementById(id) || document.body;
+		var hiliteTag = tag || "EM";
+		var skipTags = new RegExp("^(?:" + hiliteTag + "|SCRIPT|FORM)$");
+		var colors = ["#ff6", "#a0ffff", "#9f9", "#f99", "#f6f"];
+		var wordColor = [];
+		var colorIdx = 0;
+		var matchRegex = "";
+		var matchingSlides = [];
+
+		this.setRegex = function(input)
+		{
+			input = input.replace(/^[^\w]+|[^\w]+$/g, "").replace(/[^\w'-]+/g, "|");
+			matchRegex = new RegExp("(" + input + ")","i");
+		}
+
+		this.getRegex = function()
+		{
+			return matchRegex.toString().replace(/^\/\\b\(|\)\\b\/i$/g, "").replace(/\|/g, " ");
+		}
+
+		// recursively apply word highlighting
+		this.hiliteWords = function(node)
+		{
+			if(node == undefined || !node) return;
+			if(!matchRegex) return;
+			if(skipTags.test(node.nodeName)) return;
+
+			if(node.hasChildNodes()) {
+				for(var i=0; i < node.childNodes.length; i++)
+					this.hiliteWords(node.childNodes[i]);
+			}
+			if(node.nodeType == 3) { // NODE_TEXT
+				var nv, regs;
+				if((nv = node.nodeValue) && (regs = matchRegex.exec(nv))) {
+					//find the slide's section element and save it in our list of matching slides
+					var secnode = node;
+					while (secnode != null && secnode.nodeName != 'SECTION') {
+						secnode = secnode.parentNode;
+					}
+
+					var slideIndex = deck.getIndices(secnode);
+					var slidelen = matchingSlides.length;
+					var alreadyAdded = false;
+					for (var i=0; i < slidelen; i++) {
+						if ( (matchingSlides[i].h === slideIndex.h) && (matchingSlides[i].v === slideIndex.v) ) {
+							alreadyAdded = true;
+						}
+					}
+					if (! alreadyAdded) {
+						matchingSlides.push(slideIndex);
+					}
+
+					if(!wordColor[regs[0].toLowerCase()]) {
+						wordColor[regs[0].toLowerCase()] = colors[colorIdx++ % colors.length];
+					}
+
+					var match = document.createElement(hiliteTag);
+					match.appendChild(document.createTextNode(regs[0]));
+					match.style.backgroundColor = wordColor[regs[0].toLowerCase()];
+					match.style.fontStyle = "inherit";
+					match.style.color = "#000";
+
+					var after = node.splitText(regs.index);
+					after.nodeValue = after.nodeValue.substring(regs[0].length);
+					node.parentNode.insertBefore(match, after);
+				}
+			}
+		};
+
+		// remove highlighting
+		this.remove = function()
+		{
+			var arr = document.getElementsByTagName(hiliteTag);
+			var el;
+			while(arr.length && (el = arr[0])) {
+				el.parentNode.replaceChild(el.firstChild, el);
+			}
+		};
+
+		// start highlighting at target node
+		this.apply = function(input)
+		{
+			if(input == undefined || !input) return;
+			this.remove();
+			this.setRegex(input);
+			this.hiliteWords(targetNode);
+			return matchingSlides;
+		};
+
+	}
+
+	return {
+
+		id: 'search',
+
+		init: reveal => {
+
+			deck = reveal;
+			deck.registerKeyboardShortcut( 'CTRL + Shift + F', 'Search' );
+
+			document.addEventListener( 'keydown', function( event ) {
+				if( event.key == "F" && (event.ctrlKey || event.metaKey) ) { //Control+Shift+f
+					event.preventDefault();
+					toggleSearch();
+				}
+			}, false );
+
+		},
+
+		open: openSearch
+
+	}
+};
+
+export default Plugin;
\ No newline at end of file
diff --git a/inst/reveal.js-4.6.1/plugin/search/search.esm.js b/inst/reveal.js-4.6.1/plugin/search/search.esm.js
new file mode 100644
index 0000000..d362036
--- /dev/null
+++ b/inst/reveal.js-4.6.1/plugin/search/search.esm.js
@@ -0,0 +1,7 @@
+/*!
+ * Handles finding a text string anywhere in the slides and showing the next occurrence to the user
+ * by navigatating to that slide and highlighting it.
+ *
+ * @author Jon Snyder <snyder.jon@gmail.com>, February 2013
+ */
+export default()=>{let e,t,n,l,i,o,r;function s(){t=document.createElement("div"),t.classList.add("searchbox"),t.style.position="absolute",t.style.top="10px",t.style.right="10px",t.style.zIndex=10,t.innerHTML='<input type="search" class="searchinput" placeholder="Search..." style="vertical-align: top;"/>\n\t\t</span>',n=t.querySelector(".searchinput"),n.style.width="240px",n.style.fontSize="14px",n.style.padding="4px 6px",n.style.color="#000",n.style.background="#fff",n.style.borderRadius="2px",n.style.border="0",n.style.outline="0",n.style.boxShadow="0 2px 18px rgba(0, 0, 0, 0.2)",n.style["-webkit-appearance"]="none",e.getRevealElement().appendChild(t),n.addEventListener("keyup",(function(t){if(13===t.keyCode)t.preventDefault(),function(){if(o){var t=n.value;""===t?(r&&r.remove(),l=null):(r=new c("slidecontent"),l=r.apply(t),i=0)}l&&(l.length&&l.length<=i&&(i=0),l.length>i&&(e.slide(l[i].h,l[i].v),i++))}(),o=!1;else o=!0}),!1),d()}function a(){t||s(),t.style.display="inline",n.focus(),n.select()}function d(){t||s(),t.style.display="none",r&&r.remove()}function c(t,n){var l=document.getElementById(t)||document.body,i=n||"EM",o=new RegExp("^(?:"+i+"|SCRIPT|FORM)$"),r=["#ff6","#a0ffff","#9f9","#f99","#f6f"],s=[],a=0,d="",c=[];this.setRegex=function(e){e=e.replace(/^[^\w]+|[^\w]+$/g,"").replace(/[^\w'-]+/g,"|"),d=new RegExp("("+e+")","i")},this.getRegex=function(){return d.toString().replace(/^\/\\b\(|\)\\b\/i$/g,"").replace(/\|/g," ")},this.hiliteWords=function(t){if(null!=t&&t&&d&&!o.test(t.nodeName)){if(t.hasChildNodes())for(var n=0;n<t.childNodes.length;n++)this.hiliteWords(t.childNodes[n]);var l,p;if(3==t.nodeType)if((l=t.nodeValue)&&(p=d.exec(l))){for(var u=t;null!=u&&"SECTION"!=u.nodeName;)u=u.parentNode;var h=e.getIndices(u),f=c.length,y=!1;for(n=0;n<f;n++)c[n].h===h.h&&c[n].v===h.v&&(y=!0);y||c.push(h),s[p[0].toLowerCase()]||(s[p[0].toLowerCase()]=r[a++%r.length]);var g=document.createElement(i);g.appendChild(document.createTextNode(p[0])),g.style.backgroundColor=s[p[0].toLowerCase()],g.style.fontStyle="inherit",g.style.color="#000";var v=t.splitText(p.index);v.nodeValue=v.nodeValue.substring(p[0].length),t.parentNode.insertBefore(g,v)}}},this.remove=function(){for(var e,t=document.getElementsByTagName(i);t.length&&(e=t[0]);)e.parentNode.replaceChild(e.firstChild,e)},this.apply=function(e){if(null!=e&&e)return this.remove(),this.setRegex(e),this.hiliteWords(l),c}}return{id:"search",init:n=>{e=n,e.registerKeyboardShortcut("CTRL + Shift + F","Search"),document.addEventListener("keydown",(function(e){"F"==e.key&&(e.ctrlKey||e.metaKey)&&(e.preventDefault(),t||s(),"inline"!==t.style.display?a():d())}),!1)},open:a}};
diff --git a/inst/reveal.js-4.6.1/plugin/search/search.js b/inst/reveal.js-4.6.1/plugin/search/search.js
new file mode 100644
index 0000000..dc96e1d
--- /dev/null
+++ b/inst/reveal.js-4.6.1/plugin/search/search.js
@@ -0,0 +1,7 @@
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).RevealSearch=t()}(this,(function(){"use strict";
+/*!
+	 * Handles finding a text string anywhere in the slides and showing the next occurrence to the user
+	 * by navigatating to that slide and highlighting it.
+	 *
+	 * @author Jon Snyder <snyder.jon@gmail.com>, February 2013
+	 */return()=>{let e,t,n,l,o,i,r;function s(){t=document.createElement("div"),t.classList.add("searchbox"),t.style.position="absolute",t.style.top="10px",t.style.right="10px",t.style.zIndex=10,t.innerHTML='<input type="search" class="searchinput" placeholder="Search..." style="vertical-align: top;"/>\n\t\t</span>',n=t.querySelector(".searchinput"),n.style.width="240px",n.style.fontSize="14px",n.style.padding="4px 6px",n.style.color="#000",n.style.background="#fff",n.style.borderRadius="2px",n.style.border="0",n.style.outline="0",n.style.boxShadow="0 2px 18px rgba(0, 0, 0, 0.2)",n.style["-webkit-appearance"]="none",e.getRevealElement().appendChild(t),n.addEventListener("keyup",(function(t){if(13===t.keyCode)t.preventDefault(),function(){if(i){var t=n.value;""===t?(r&&r.remove(),l=null):(r=new c("slidecontent"),l=r.apply(t),o=0)}l&&(l.length&&l.length<=o&&(o=0),l.length>o&&(e.slide(l[o].h,l[o].v),o++))}(),i=!1;else i=!0}),!1),d()}function a(){t||s(),t.style.display="inline",n.focus(),n.select()}function d(){t||s(),t.style.display="none",r&&r.remove()}function c(t,n){var l=document.getElementById(t)||document.body,o=n||"EM",i=new RegExp("^(?:"+o+"|SCRIPT|FORM)$"),r=["#ff6","#a0ffff","#9f9","#f99","#f6f"],s=[],a=0,d="",c=[];this.setRegex=function(e){e=e.replace(/^[^\w]+|[^\w]+$/g,"").replace(/[^\w'-]+/g,"|"),d=new RegExp("("+e+")","i")},this.getRegex=function(){return d.toString().replace(/^\/\\b\(|\)\\b\/i$/g,"").replace(/\|/g," ")},this.hiliteWords=function(t){if(null!=t&&t&&d&&!i.test(t.nodeName)){if(t.hasChildNodes())for(var n=0;n<t.childNodes.length;n++)this.hiliteWords(t.childNodes[n]);var l,f;if(3==t.nodeType)if((l=t.nodeValue)&&(f=d.exec(l))){for(var p=t;null!=p&&"SECTION"!=p.nodeName;)p=p.parentNode;var u=e.getIndices(p),h=c.length,y=!1;for(n=0;n<h;n++)c[n].h===u.h&&c[n].v===u.v&&(y=!0);y||c.push(u),s[f[0].toLowerCase()]||(s[f[0].toLowerCase()]=r[a++%r.length]);var g=document.createElement(o);g.appendChild(document.createTextNode(f[0])),g.style.backgroundColor=s[f[0].toLowerCase()],g.style.fontStyle="inherit",g.style.color="#000";var v=t.splitText(f.index);v.nodeValue=v.nodeValue.substring(f[0].length),t.parentNode.insertBefore(g,v)}}},this.remove=function(){for(var e,t=document.getElementsByTagName(o);t.length&&(e=t[0]);)e.parentNode.replaceChild(e.firstChild,e)},this.apply=function(e){if(null!=e&&e)return this.remove(),this.setRegex(e),this.hiliteWords(l),c}}return{id:"search",init:n=>{e=n,e.registerKeyboardShortcut("CTRL + Shift + F","Search"),document.addEventListener("keydown",(function(e){"F"==e.key&&(e.ctrlKey||e.metaKey)&&(e.preventDefault(),t||s(),"inline"!==t.style.display?a():d())}),!1)},open:a}}}));