Add lunch options

Change-Id: Ic4569fce73d8b33f5084e95d44797cba735914d5
diff --git a/templates/register.htm b/templates/register.htm
index 1aaa151..c9abd28 100644
--- a/templates/register.htm
+++ b/templates/register.htm
@@ -491,13 +491,82 @@
     </div>
 
     <div class="form-outline mb-3">
-        <label class="form-label fw-bold" for="participate">Conference Dinner</label>
+        <label class="form-label fw-bold" for="conference_dinner">Conference Dinner</label>
         <div class="form-group form-check">
             <input type="checkbox" class="form-check-input" name="conference_dinner" id="conference_dinner" <?php echo isset($_POST[ 'conference_dinner']) ? 'checked' : '' ?> oninput="update_total_due()" value="conference_dinner">
             <label class="form-check-label fs-4" for="conference_dinner">I will be attending the conference dinner on 20 July at 8pm at the Rheinterrassen for the price of <strong>€&#160;<span id="conference_dinner_price"><?php echo $CONFERENCE_DINNER; ?></span></strong>.
             </label>
         </div>
     </div>
+
+    <label class="form-label fw-bold" for="participate">Lunch Options</label>
+    <div id="lunchHelp " class="form-text fs-4 ">You can optionally pre-order a small lunch for <strong>€ <span id="lunch_costs"><?php echo number_format($LUNCH,2); ?></span></strong> each including a drink. Alternatively, you can choose one of the <a href="https://www.google.de/maps/search/Universität+Mannheim,+Mannheim+restaurants/@49.4832116,8.458566,16z/data=!3m1!4b1">many restaurants nearby</a>.
+        The food is packed in a way that is easy to transport, so that you can easily take it into town or to the green spaces behind the University on the banks of the Rhine.</div>
+    <div id="lunch-1" class="form-outline col-md-4">
+        <label class="form-label" for="pw2">Wednesday, 19 July</label>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_1" id="lunch_day_1" value="--" checked>
+            <label class="form-check-label" for="lunch_day_1">
+              --
+            </label>
+        </div>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_1" id="lunch_day_1a" value="non-vegetarian">
+            <label class="form-check-label" for="lunch_day_1a">
+              non-vegetarian
+            </label>
+        </div>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_1" id="lunch_day_1b" value="vegan">
+            <label class="form-check-label" for="lunch_day_1b">
+              vegan
+            </label>
+        </div>
+    </div>
+    <div id="lunch-2" class="form-outline col-md-4">
+        <label class="form-label" for="pw2">Thursday, 20 July</label>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_2" id="lunch_day_2" value="--" checked>
+            <label class="form-check-label" for="lunch_day_2">
+              --
+            </label>
+        </div>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_2" id="lunch_day_2a" value="non-vegetarian">
+            <label class="form-check-label" for="lunch_day_2a">
+              non-vegetarian
+            </label>
+        </div>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_2" id="lunch_day_2b" value="vegan">
+            <label class="form-check-label" for="lunch_day_2b">
+              vegan
+            </label>
+        </div>
+    </div>
+    <div id="lunch-3" class="form-outline col-md-4">
+        <label class="form-label" for="pw2">Friday, 21 July</label>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_3" id="lunch_day_3a" value="--" checked>
+            <label class="form-check-label" for="lunch_day_3a">
+              --
+            </label>
+        </div>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_3" id="lunch_day_3b" value="non-vegetarian">
+            <label class="form-check-label" for="lunch_day_3b">
+              non-vegetarian
+            </label>
+        </div>
+        <div class="form-check">
+            <input class="form-check-input" oninput="update_total_due()" type="radio" name="lunch_day_3" id="lunch_day_3c" value="vegan">
+            <label class="form-check-label" for="lunch_day_3c">
+              vegan
+            </label>
+        </div>
+    </div>
+    <div id="lunchHelp2" class="form-text fs-4">Please note that lunch must be ordered and paid for in advance and unfortunately cannot be purchased spontaneously on site.</div>
+
     <div class="form-outline col-md-12">
         <label class="form-label fw-bold" for="exampleInputAmount">Total Amount in Euro to be paid</label>
         <div class="input-group">