chore: import DH V2 D5.6.4 production baseline

api-v3/src/database/entities/timestamped.entity.ts

@@ -0,0 +1,9 @@
+import { CreateDateColumn, UpdateDateColumn } from 'typeorm';
+
+export abstract class TimestampedEntity {
+  @CreateDateColumn({ name: 'created_at', type: 'timestamptz' })
+  createdAt!: Date;
+
+  @UpdateDateColumn({ name: 'updated_at', type: 'timestamptz' })
+  updatedAt!: Date;
+}