feat(api): update existing artists in MusicLibrary

src/database/migrations/06-AddUpdatedAtColumns.ts

@@ -0,0 +1,18 @@
+import { MigrationInterface, QueryRunner, TableColumn } from "typeorm";
+
+export class AddUpdatedAtColumnes0000000000006 implements MigrationInterface {
+  async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.addColumn(
+      "artist",
+      new TableColumn({
+        name: "updatedAt",
+        type: "timestamp",
+        default: "NOW()",
+      })
+    );
+  }
+
+  async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.dropColumn("artist", "updatedAt");
+  }
+}