feat: 過去のノートを非公開化/フォロワーのみ表示可能にできる機能 (#14814)

* wip

* Update CHANGELOG.md

* wip

* wip

* wip

* Update privacy.vue

* wip

packages/backend/migration/1729486255072-makeNotesHiddenBefore.js

@@ -0,0 +1,18 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export class MakeNotesHiddenBefore1729486255072 {
+    name = 'MakeNotesHiddenBefore1729486255072'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "user" ADD "makeNotesFollowersOnlyBefore" integer`);
+        await queryRunner.query(`ALTER TABLE "user" ADD "makeNotesHiddenBefore" integer`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "user" DROP COLUMN "makeNotesHiddenBefore"`);
+        await queryRunner.query(`ALTER TABLE "user" DROP COLUMN "makeNotesFollowersOnlyBefore"`);
+    }
+}