PLT-3412 WebRTC Server side & System Console (#3706)

* WebRTC Server side

* WebRTC System Console

* Consistency on variable names

* Add turn and stun uri validation

webapp/routes/route_admin_console.jsx

@@ -27,6 +27,7 @@ import EmailSettings from 'components/admin_console/email_settings.jsx';
 import PushSettings from 'components/admin_console/push_settings.jsx';
 import CustomIntegrationsSettings from 'components/admin_console/custom_integrations_settings.jsx';
 import ExternalServiceSettings from 'components/admin_console/external_service_settings.jsx';
+import WebrtcSettings from 'components/admin_console/webrtc_settings.jsx';
 import DatabaseSettings from 'components/admin_console/database_settings.jsx';
 import StorageSettings from 'components/admin_console/storage_settings.jsx';
 import ImageSettings from 'components/admin_console/image_settings.jsx';
@@ -147,6 +148,10 @@ export default (
                 path='external'
                 component={ExternalServiceSettings}
             />
+            <Route
+                path='webrtc'
+                component={WebrtcSettings}
+            />
         </Route>
         <Route path='files'>
             <IndexRedirect to='storage'/>