Added banner to be displayed when the service worker has updated the app in the background

src/app/reducers/appUpdates.ts

@@ -0,0 +1,18 @@
+import { Action } from 'redux';
+import { buildActionCreator, buildReducer } from '../../utils/helpers/redux';
+
+/* eslint-disable padding-line-between-statements */
+export const APP_UPDATE_AVAILABLE = 'shlink/appUpdates/APP_UPDATE_AVAILABLE';
+export const RESET_APP_UPDATE = 'shlink/appUpdates/RESET_APP_UPDATE';
+/* eslint-enable padding-line-between-statements */
+
+const initialState = false;
+
+export default buildReducer<boolean, Action<string>>({
+  [APP_UPDATE_AVAILABLE]: () => true,
+  [RESET_APP_UPDATE]: () => false,
+}, initialState);
+
+export const appUpdateAvailable = buildActionCreator(APP_UPDATE_AVAILABLE);
+
+export const resetAppUpdate = buildActionCreator(RESET_APP_UPDATE);

src/app/services/provideServices.ts

@@ -0,0 +1,26 @@
+import Bottle from 'bottlejs';
+import { appUpdateAvailable, resetAppUpdate } from '../reducers/appUpdates';
+import App from '../../App';
+import { ConnectDecorator } from '../../container/types';
+
+const provideServices = (bottle: Bottle, connect: ConnectDecorator) => {
+  // Components
+  bottle.serviceFactory(
+    'App',
+    App,
+    'MainHeader',
+    'Home',
+    'MenuLayout',
+    'CreateServer',
+    'EditServer',
+    'Settings',
+    'ShlinkVersionsContainer',
+  );
+  bottle.decorator('App', connect([ 'servers', 'settings', 'appUpdated' ], [ 'fetchServers', 'resetAppUpdate' ]));
+
+  // Actions
+  bottle.serviceFactory('appUpdateAvailable', () => appUpdateAvailable);
+  bottle.serviceFactory('resetAppUpdate', () => resetAppUpdate);
+};
+
+export default provideServices;