✨ Added loading animation switch

frontend/src/i18n/locales/en-US.ts

@@ -135,6 +135,7 @@ export default {
     enableSystemTray: 'Enable System Tray',
     alwaysOnTop: 'Always on Top',
     enableWindowSnap: 'Enable Window Snapping',
+    enableLoadingAnimation: 'Enable Loading Animation',
     startup: 'Startup Settings',
     startAtLogin: 'Start at Login',
     dataStorage: 'Data Storage',

frontend/src/i18n/locales/zh-CN.ts

@@ -136,6 +136,7 @@ export default {
     enableSystemTray: '启用系统托盘',
     alwaysOnTop: '窗口始终置顶',
     enableWindowSnap: '启用窗口吸附',
+    enableLoadingAnimation: '启用加载动画',
     startup: '启动设置',
     startAtLogin: '开机自启动',
     dataStorage: '数据存储',