✨ Added tab functionality and optimized related configurations

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

@@ -112,6 +112,14 @@ export default {
       textHighlightToggle: 'Toggle text highlight',
     }
   },
+  tabs: {
+    contextMenu: {
+      closeTab: 'Close Tab',
+      closeOthers: 'Close Others',
+      closeLeft: 'Close Left',
+      closeRight: 'Close Right'
+    }
+  },
   settings: {
     title: 'Settings',
     backToEditor: 'Back to Editor',
@@ -136,6 +144,7 @@ export default {
     alwaysOnTop: 'Always on Top',
     enableWindowSnap: 'Enable Window Snapping',
     enableLoadingAnimation: 'Enable Loading Animation',
+    enableTabs: 'Enable Tabs',
     startup: 'Startup Settings',
     startAtLogin: 'Start at Login',
     dataStorage: 'Data Storage',

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

@@ -112,6 +112,14 @@ export default {
     textHighlightToggle: '切换文本高亮',
     }
   },
+  tabs: {
+    contextMenu: {
+      closeTab: '关闭标签',
+      closeOthers: '关闭其他',
+      closeLeft: '关闭左侧',
+      closeRight: '关闭右侧'
+    }
+  },
   settings: {
     title: '设置',
     backToEditor: '返回编辑器',
@@ -137,6 +145,7 @@ export default {
     alwaysOnTop: '窗口始终置顶',
     enableWindowSnap: '启用窗口吸附',
     enableLoadingAnimation: '启用加载动画',
+    enableTabs: '启用标签页',
     startup: '启动设置',
     startAtLogin: '开机自启动',
     dataStorage: '数据存储',