feat: Avatar decoration (#12096)

* wip

* Update ja-JP.yml

* Update profile.vue

* .js

* Update home.test.ts

packages/backend/src/models/AvatarDecoration.ts

@@ -0,0 +1,39 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Entity, PrimaryColumn, Index, Column, ManyToOne, JoinColumn } from 'typeorm';
+import { id } from './util/id.js';
+
+@Entity('avatar_decoration')
+export class MiAvatarDecoration {
+	@PrimaryColumn(id())
+	public id: string;
+
+	@Column('timestamp with time zone', {
+		nullable: true,
+	})
+	public updatedAt: Date | null;
+
+	@Column('varchar', {
+		length: 1024,
+	})
+	public url: string;
+
+	@Column('varchar', {
+		length: 256,
+	})
+	public name: string;
+
+	@Column('varchar', {
+		length: 2048,
+	})
+	public description: string;
+
+	// TODO: 定期ジョブで存在しなくなったロールIDを除去するようにする
+	@Column('varchar', {
+		array: true, length: 128, default: '{}',
+	})
+	public roleIdsThatCanBeUsedThisDecoration: string[];
+}