Add hyperlink

pages/info/groups/gfz.vue

@@ -34,7 +34,7 @@ permissions and limitations under the Licence.
       <v-card-text>
         <p>
           Groups are handled using the <b>HIFIS virtual organizations</b>.
-          You can access them on https://login.helmholtz.de/upman/
+          You can access them on <a href="https://login.helmholtz.de/upman/">https://login.helmholtz.de/upman/</a>.
         </p>
         <p>
           For the group management here we use a set of conventions to