feat: add little tag to identify POC

Author: cdeery

src/profile/ProfilePage.jsx

@@ -212,6 +212,7 @@ class ProfilePage extends React.Component {
               />
             </div>
           </div>
+          <div>PluginPOC</div>
           <div className="col pl-0">
             <div className="d-md-none">
               {this.renderHeadingLockup()}