refactor nest app to server folder

server/src/migration/1761581879633-add_admin_user.ts

@@ -0,0 +1,14 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddAdminUser1761581879633 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    // add dev user: admin:123456
+    await queryRunner.query(
+      `insert into "user" ( username, email, password) values ('admin','admin@test.com','$2a$12$sT7bIBfUdAvCzcwyppSX/uVd4EP6ORgWiEg7jqXvMKJErR5jWhnmO');`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query("delete from user where username='admin'");
+  }
+}