Add UI for enabling spaces

src/views/settings.html

@@ -324,4 +324,28 @@
           </div>
       </div>
   </div>
+
+
+  <div class="text-left">
+    <h3>Cloudron Spaces</h3>
+  </div>
+
+  <div class="card" style="margin-bottom: 15px;">
+      <div class="row">
+          <div class="col-md-12">
+              <p>Cloudron Spaces allows users to install and run apps of their own</p>
+              <p class="text-danger" ng-show="spaces.error"><br/>{{ spaces.error }}</p>
+          </div>
+      </div>
+
+      <div class="row">
+            <div class="col-xs-12">
+                <button ng-class="spaces.enabled ? 'btn btn-danger' : 'btn btn-primary'"  class="pull-right" ng-click="spaces.submit()" ng-disabled="spaces.busy">
+                    <i class="fa fa-circle-o-notch fa-spin" ng-show="spaces.busy"></i>
+                    {{ spaces.enabled ? "Disable" : "Enable" }}
+                </button>
+            </div>
+      </div>
+  </div>
+
 </div>