Add feature object and show/hide elements accordingly

src/views/settings.html

@@ -351,8 +351,16 @@
         Cloudron can pull and install apps from private docker registry.
       </div>
     </div>
+
     <br/>
-    <div class="row">
+
+    <div class="row" ng-hide="features.privateDockerRegistry">
+      <div class="col-xs-12">
+        <b class="text-danger">This features is only available in the business plan.</b>
+      </div>
+    </div>
+
+    <div class="row" ng-show="features.privateDockerRegistry">
       <div class="col-xs-6">
         <span class="text-muted">Server address</span>
       </div>
@@ -360,16 +368,19 @@
         <span>{{ registryConfig.currentConfig.serverAddress || 'Not set' }}</span>
       </div>
     </div>
-    <div class="row">
+
+    <div class="row" ng-show="features.privateDockerRegistry">
       <div class="col-xs-6">
         <span class="text-muted">Username</span>
       </div>
       <div class="col-xs-6 text-right">
         <span>{{ registryConfig.currentConfig.username || registryConfig.currentConfig.email || 'Not set' }}</span>
       </div>
-   </div>
+    </div>
+
     <br/>
-    <div class="row">
+
+    <div class="row" ng-show="features.privateDockerRegistry">
       <div class="col-xs-12">
         <button class="btn btn-primary pull-right" ng-click="registryConfig.show()">Configure Registry</button>
       </div>