Desktop: Added support for Menu API for plugins

ReactNativeClient/lib/services/plugins/MenuController.ts

@@ -0,0 +1,26 @@
+import { MenuItem, MenuItemLocation } from './api/types';
+import ViewController from './ViewController';
+
+export default class MenuController extends ViewController {
+
+	constructor(id:string, pluginId:string, store:any, label:string, menuItems: MenuItem[], location:MenuItemLocation) {
+		super(id, pluginId, store);
+
+		this.store.dispatch({
+			type: 'PLUGIN_VIEW_ADD',
+			pluginId: pluginId,
+			view: {
+				id: this.handle,
+				type: this.type,
+				label: label,
+				menuItems: menuItems,
+				location: location,
+			},
+		});
+	}
+
+	public get type():string {
+		return 'menu';
+	}
+
+}