Fix the remaining footer links

All the links (excpet `bpd-events`) now end with `.html`. The reason this doesn't happen for `bpd-events` is because it is a collection that utilizes a base template, but has its data populated from the `events.json`

Author: dragid10

_layouts/_includes/footer.html

@@ -13,8 +13,8 @@ <h3>Quick link</h3>
           <li><a href="/about.html">About Us</a></li>
           <li><a href="/bpd-events/">BPD Events</a></li>
           <li><a href="/sponsored-events.html">Sponsored Events</a></li>
-          <li><a href="/community/">Community</a></li>
-          <li><a href="/support/">Support</a></li>
+          <li><a href="/community.html">Community</a></li>
+          <li><a href="/support.html">Support</a></li>
         </ul>
       </div>
       <!-- Contact Us Section -->