enhance: metaをSSR HTMLに埋め込む (#13436)

* enhance: `meta`をSSR HTMLに埋め込む

* HTML Metaの有効時間を指定

* １時間

* MetaEntityService

* JSONをPackするように

* ✌️

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/scripts/clear-cache.ts

@@ -2,14 +2,18 @@ import { unisonReload } from '@/scripts/unison-reload.js';
 import * as os from '@/os.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { fetchCustomEmojis } from '@/custom-emojis.js';
+import { fetchInstance } from '@/instance.js';
 
 export async function clearCache() {
 	os.waiting();
+	miLocalStorage.removeItem('instance');
+	miLocalStorage.removeItem('instanceCachedAt');
 	miLocalStorage.removeItem('locale');
 	miLocalStorage.removeItem('localeVersion');
 	miLocalStorage.removeItem('theme');
 	miLocalStorage.removeItem('emojis');
 	miLocalStorage.removeItem('lastEmojisFetchedAt');
+	await fetchInstance(true);
 	await fetchCustomEmojis(true);
 	unisonReload();
 }