added twemoji support

src/app/views/base.twig

@@ -66,6 +66,15 @@
     <script src="/js/trianglify.min.js"></script>
     <script src="/js/level2.js"></script>
     <script src="/bootstrap/js/bootstrap.min.js"></script>
+    <script src="https://twemoji.maxcdn.com/twemoji.min.js"></script>
+    <script>
+      twemoji.parse(
+        document.body,
+        {
+          size: "72x72"
+        }
+      );
+    </script>
 
   </body>
 </html>

src/web/css/level2.css

@@ -185,3 +185,9 @@ section:hover .well {
   color: #fff;
   background-color: #F56533;
 }
+img.emoji {
+  height: 1rem;
+  width: 1rem;
+  padding: 0 .05rem 0 .1rem;
+  vertical-align: -0.7rem;
+}