feat: Avatar decoration (#12096)

* wip

* Update ja-JP.yml

* Update profile.vue

* .js

* Update home.test.ts

packages/backend/src/postgres.ts

@@ -18,6 +18,7 @@ import { MiAnnouncement } from '@/models/Announcement.js';
 import { MiAnnouncementRead } from '@/models/AnnouncementRead.js';
 import { MiAntenna } from '@/models/Antenna.js';
 import { MiApp } from '@/models/App.js';
+import { MiAvatarDecoration } from '@/models/AvatarDecoration.js';
 import { MiAuthSession } from '@/models/AuthSession.js';
 import { MiBlocking } from '@/models/Blocking.js';
 import { MiChannelFollowing } from '@/models/ChannelFollowing.js';
@@ -129,6 +130,7 @@ export const entities = [
 	MiMeta,
 	MiInstance,
 	MiApp,
+	MiAvatarDecoration,
 	MiAuthSession,
 	MiAccessToken,
 	MiUser,