refactor(frontend): router.ts解きほぐし (#12907)

* refactor(frontend): router.ts解きほぐし

* add debug hmr option

* fix comment

* fix not working

* add comment

* fix name

* Update definition.ts

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Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/frontend/src/ui/classic.vue

@@ -52,11 +52,11 @@ import XCommon from './_common_/common.vue';
 import { instanceName } from '@/config.js';
 import { StickySidebar } from '@/scripts/sticky-sidebar.js';
 import * as os from '@/os.js';
-import { mainRouter } from '@/router.js';
 import { PageMetadata, provideMetadataReceiver } from '@/scripts/page-metadata.js';
 import { defaultStore } from '@/store.js';
 import { i18n } from '@/i18n.js';
 import { miLocalStorage } from '@/local-storage.js';
+import { mainRouter } from '@/global/router/main.js';
 const XHeaderMenu = defineAsyncComponent(() => import('./classic.header.vue'));
 const XWidgets = defineAsyncComponent(() => import('./universal.widgets.vue'));