Add search to home page (#197)

index.html

@@ -45,5 +45,12 @@ links:
   {% include icons.html %}
   {% include footer.html links=page.links %}
 
+  <script src="//cdnjs.cloudflare.com/ajax/libs/list.js/1.5.0/list.min.js"></script>
+  <script type="text/javascript">
+    var list = new List('js-icons', {
+      valueNames: [ 'icon-name', 'icon-tags' ]
+    })
+  </script>
+
 </body>
 </html>