show cloudflare port warning

fixes cloudron/box#802

src/views/appstore.html

@@ -49,6 +49,7 @@
                     </sup>
                   </label>
                   <input type="number" class="form-control" ng-model="appInstall.portBindings[env]" ng-disabled="!appInstall.portBindingsEnabled[env]" id="inputPortInfo{{env}}" later-name="itemName{{$index}}" min="{{hostPortMin}}" max="{{hostPortMax}}" required>
+                  <p class="text-small text-warning text-bold" ng-show="appInstall.domain.provider === 'cloudflare'">{{ 'appstore.installDialog.cloudflarePortWarning' | tr }} </p>
                 </div>
               </ng-form>
             </div>