add gravatar link

lib/views/me/index.html

@@ -104,6 +104,9 @@
             <h4>
               <input type="radio" name="imagetypeForm[isGravaterEnabled]" value="true" {% if user.isGravaterEnabled %}checked="checked"{% endif %}>
               <img src="https://www.gravatar.com/avatar/00000000000000000000000000000000?s=24" /> Gravater
+              <a href="https://gravatar.com/">
+                <small><i class="fa fa-external-link" aria-hidden="true"></i></small>
+              </a>
             </h4>
           </div>