feat(用户中心): 新增用户中心相关功能模块

实现用户中心完整功能，包括：
1. 新增登录页面及登录逻辑
2. 添加个人资料、修改密码、关于我们等子页面
3. 实现头像上传功能
4. 添加js-cookie依赖处理token存储
5. 完善用户信息类型定义和API接口
6. 新增tabbar"我的"入口及相关路由配置

新增工具函数：
1. 添加auth.ts处理认证相关逻辑
2. 实现toast.ts统一消息提示
3. 添加uploadFile.ts处理文件上传
4. 新增isTableBar判断页面是否为tabbar页

src/types/components.d.ts

@@ -8,8 +8,6 @@ export {}
 declare module 'vue' {
   export interface GlobalComponents {
     FgNavbar: typeof import('./../components/fg-navbar/fg-navbar.vue')['default']
-    FgTabbar: typeof import('./../components/fg-tabbar/fg-tabbar.vue')['default']
     PrivacyPopup: typeof import('./../components/privacy-popup/privacy-popup.vue')['default']
-    Tabbar: typeof import('./../components/tabbar/tabbar.vue')['default']
   }
 }

src/types/uni-pages.d.ts

@@ -5,12 +5,17 @@
 
 interface NavigateToOptions {
   url: "/pages/index/index" |
-       "/pages/about/about";
+       "/pages/about/about" |
+       "/pages/login/index" |
+       "/pages/mine/index" |
+       "/pages/mine/about/index" |
+       "/pages/mine/info/index" |
+       "/pages/mine/password/index";
 }
 interface RedirectToOptions extends NavigateToOptions {}
 
 interface SwitchTabOptions {
-  url: "/pages/index/index" | "/pages/about/about"
+  url: "/pages/index/index" | "/pages/about/about" | "/pages/mine/index"
 }
 
 type ReLaunchOptions = NavigateToOptions | SwitchTabOptions;