feat(registries): add registry management (#930)

app/services/api/dockerhubService.js

@@ -0,0 +1,26 @@
+angular.module('portainer.services')
+.factory('DockerHubService', ['$q', 'DockerHub', function DockerHubServiceFactory($q, DockerHub) {
+  'use strict';
+  var service = {};
+
+  service.dockerhub = function() {
+    var deferred = $q.defer();
+
+    DockerHub.get().$promise
+    .then(function success(data) {
+      var dockerhub = new DockerHubViewModel(data);
+      deferred.resolve(dockerhub);
+    })
+    .catch(function error(err) {
+      deferred.reject({ msg: 'Unable to retrieve DockerHub details', err: err });
+    });
+
+    return deferred.promise;
+  };
+
+  service.update = function(dockerhub) {
+    return DockerHub.update({}, dockerhub).$promise;
+  };
+
+  return service;
+}]);