feat(messages): add message client service

modules/messages/client/services/messages.client.service.js

@@ -0,0 +1,19 @@
+(function () {
+  'use strict';
+
+  angular
+    .module('messages.services')
+    .factory('MessagesService', MessagesService);
+
+  MessagesService.$inject = ['$resource'];
+
+  function MessagesService($resource) {
+    return $resource('/api/messages/:messageId', {
+      messageId: '@_id'
+    }, {
+      update: {
+        method: 'PUT'
+      }
+    });
+  }
+}());