enhance(frontend): 外部サイトへのリンクは移動の前に警告を表示するように (MisskeyIO#558)

packages/backend/migration/1711008460816-external-website-warn.js

@@ -0,0 +1,11 @@
+export class ExternalWebsiteWarn1711008460816 {
+    name = 'ExternalWebsiteWarn1711008460816'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "meta" ADD "wellKnownWebsites" character varying(3072) array NOT NULL DEFAULT '{}'`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "meta" DROP COLUMN "wellKnownWebsites"`);
+    }
+}