Add ids theme

Change-Id: I1b4a82a3ee14a7499293c639ad22221e4b60f4c3
diff --git a/README.Rmd b/README.Rmd
index 6784308..0ecfe20 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "R Markdown Format for reveal.js Presentations"
+title: "R Markdown Format for reveal.js Presentations – extended by ids theme"
 output: github_document
 ---