fix(index): add missing file in firebase example

Related to 1724817.

Fixes #204

Author: gkalpak

src/index.html

@@ -307,7 +307,7 @@ <h3>Server Communication</h3>
       </div>
     </div>
     <div class=" row example">
-      <div class="span8 app-source" app-source="project.html project.js list.html detail.html" resource="resource" route="route" firebase="firebase" annotate="project.annotation" module="project"></div>
+      <div class="span8 app-source" app-source="project.html project.js list.html detail.html project-list.js" resource="resource" route="route" firebase="firebase" annotate="project.annotation" module="project"></div>
       <div class="span4">
         <span hint></span>
         <span class="pull-right" plnkr="project.html list.html detail.html project.js project-list.js" resource="resource" route="route" firebase="firebase" module="project"></span>