Add available themes and plugins in feature table

client/src/app/shared/shared-instance/instance-features-table.component.html

@@ -128,5 +128,27 @@
         <my-feature-boolean [value]="serverConfig.search.remoteUri.users"></my-feature-boolean>
       </td>
     </tr>
+
+    <tr>
+      <th i18n class="label" colspan="2">Plugins & Themes</th>
+    </tr>
+
+    <tr>
+      <th i18n class="sub-label" scope="row">Available themes</th>
+      <td>
+        <span class="theme" *ngFor="let theme of serverConfig.theme.registered">
+          {{ theme.name }}
+        </span>
+      </td>
+    </tr>
+
+    <tr>
+      <th i18n class="sub-label" scope="row">Plugins enabled</th>
+      <td>
+        <span class="plugin" *ngFor="let plugin of serverConfig.plugin.registered">
+          {{ plugin.name }}
+        </span>
+      </td>
+    </tr>
   </table>
 </div>

client/src/app/shared/shared-instance/instance-features-table.component.scss

@@ -34,6 +34,11 @@ table {
     font-weight: $font-semibold;
     color: pvar(--mainForegroundColor);
   }
+
+  .plugin,
+  .theme {
+    &:not(:last-child):after {
+      content: '•';
+    }
+  }
 }
-
-