add footer

Author: woloski

html/index.html

@@ -430,7 +430,13 @@ <h3 class="panel-title">JavaScript</h3>
       </div>
     </div>
 
-
+    <div id="footer">
+      <div class="container">
+        <p class="text-muted">
+          Missing something? <a href="https://github.com/jsonwebtoken/jsonwebtoken.github.io/edit/master/html/index.html">Send a Pull Request</a>
+          </p>
+      </div>
+    </div>
 
     <!-- Bootstrap core JavaScript
     ================================================== -->

index.html

@@ -426,7 +426,13 @@ <h3 class="panel-title">JavaScript</h3>
       </div>
     </div>
 
-
+    <div id="footer">
+      <div class="container">
+        <p class="text-muted">
+          Missing something? <a href="https://github.com/jsonwebtoken/jsonwebtoken.github.io/edit/master/html/index.html">Send a Pull Request</a>
+          </p>
+      </div>
+    </div>
 
     <!-- Bootstrap core JavaScript
     ================================================== -->