Refactor code structure for improved readability and maintainability

src/migrations/1757413588655-Init.ts

@@ -0,0 +1,15 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class Init1757413588655 implements MigrationInterface {
+    name = 'Init1757413588655'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`CREATE TABLE \`users\` (\`id\` int NOT NULL AUTO_INCREMENT, \`email\` varchar(255) NOT NULL, \`firstName\` varchar(255) NOT NULL, \`lastName\` varchar(255) NOT NULL, \`isActive\` tinyint NOT NULL DEFAULT 1, \`createdAt\` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), \`updatedAt\` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), UNIQUE INDEX \`IDX_97672ac88f789774dd47f7c8be\` (\`email\`), PRIMARY KEY (\`id\`)) ENGINE=InnoDB`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`DROP INDEX \`IDX_97672ac88f789774dd47f7c8be\` ON \`users\``);
+        await queryRunner.query(`DROP TABLE \`users\``);
+    }
+
+}