refactor(router): 将 HOME_PAGE 常量移至 utils 模块并改进实现

将 HOME_PAGE 常量从 router/config.ts 移动到 utils/index.ts 模块
实现根据 page.json 动态获取首页路径，默认使用第一个页面
更新 router/interceptor.ts 中的导入路径

src/router/interceptor.ts

@@ -5,8 +5,8 @@
  */
 import { useTokenStore } from '@/store/token'
 import { isPageTabbar, tabbarStore } from '@/tabbar/store'
-import { getAllPages, getLastPage, parseUrlToObj } from '@/utils/index'
-import { EXCLUDE_LOGIN_PATH_LIST, HOME_PAGE, isNeedLoginMode, LOGIN_PAGE } from './config'
+import { getAllPages, getLastPage, HOME_PAGE, parseUrlToObj } from '@/utils/index'
+import { EXCLUDE_LOGIN_PATH_LIST, isNeedLoginMode, LOGIN_PAGE } from './config'
 
 export const FG_LOG_ENABLE = false
 export function judgeIsExcludePath(path: string) {