fix(i18n): localize all user-facing Life OS text

public/service-worker.js

@@ -1,7 +1,7 @@
-const CACHE = 'life-os-shell-v1.5.1';
+const CACHE = 'life-os-shell-v1.5.2';
 const SHELL = [
   '/', '/index.html', '/manifest.webmanifest', '/life-os-icon.svg',
-  '/boot-guard.js', '/i18n.js', '/tasks.js?v=1.5.1', '/calendar.js?v=1.5.1', '/i18n-renderers.js', '/addons.js?v=1.5.1'
+  '/boot-guard.js', '/locales/en.js', '/locales/zh-CN.js', '/i18n.js', '/tasks.js?v=1.5.2', '/calendar.js?v=1.5.2', '/i18n-renderers.js', '/addons.js?v=1.5.2'
 ];
 
 self.addEventListener('install', event => {