enhance(frontend): クリップボタンをノートアクションに追加できるように

packages/frontend/src/cache.ts

@@ -0,0 +1,5 @@
+import * as misskey from 'misskey-js';
+import { Cache } from '@/scripts/cache';
+
+export const clipsCache = new Cache<misskey.entities.Clip[]>(Infinity);
+export const rolesCache = new Cache(Infinity);