feat(analytics): add video learning events to dashboard

#1894

src/main/webapp/WEB-INF/jsp/analytics/layout.jsp

@@ -53,6 +53,7 @@
                         <li><a href="<spring:url value='/analytics/letter-learning-event/list' />"><i class="material-icons left">text_format</i><fmt:message key="letters" /></a></li>
                         <li><a href="<spring:url value='/analytics/word-learning-event/list' />"><i class="material-icons left">sms</i><fmt:message key="words" /></a></li>
                         <li><a href="<spring:url value='/analytics/storybook-learning-event/list' />"><i class="material-icons left">book</i><fmt:message key="storybooks" /></a></li>
+                        <li><a href="<spring:url value='/analytics/video-learning-event/list' />"><i class="material-icons left">movie</i>Videos</a></li>
                     </ul>
                     <a id="navButton" href="<spring:url value='/analytics' />" data-activates="nav-mobile" class="waves-effect waves-light"><i class="material-icons">dehaze</i></a>
                 </div>

src/main/webapp/WEB-INF/jsp/analytics/main.jsp

@@ -40,6 +40,17 @@
                 </div>
             </div>
         </div>
+
+        <div class="col s12 m6">
+            <div class="card">
+                <div class="card-content">
+                    <span class="card-title"><i class="material-icons">movie</i> Videos</span>
+                </div>
+                <div class="card-action">
+                    <a id="videoLearningEventsLink" href="<spring:url value='/analytics/video-learning-event/list' />">View list (${storyBookLearningEventCount})</a>
+                </div>
+            </div>
+        </div>
 
         <div class="col s12">
             <h5><fmt:message key="assessment.events" /></h5>