Add a 'Get involved' section

index.html

@@ -157,6 +157,21 @@ $ openssl req -nodes -newkey rsa:2048 -keyout relay.pem -x509 -days 365 -out rel
               </div>
             </div>
           </div>
+          <div class="panel">
+            <div class="panel-heading">
+              <h4 class="panel-title">
+                <a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion" href="#collapseFive">
+                  Get involved
+                </a>
+              </h4>
+            </div>
+            <div id="collapseFive" class="panel-collapse collapse">
+              <div class="panel-body">
+                <p>Glowing bear is built by a small group of developers in their free time. As we're always trying to improve it, we would love getting your feedback and help. If that sounds like something you might enjoy, check out our <a href="https://github.com/cormier/glowing-bear">project page</a> on GitHub!</p>
+                <p>If you're interested in contributing or simply want to say hello, head over to <strong>#glowing-bear</strong> on <strong>freenode!</strong> We won't bite, promise (-ish).</p>
+              </div>
+            </div>
+          </div>
         </div>
       </div>
     </div>