add basic repo setup, with user creation

src/db/models/User.ts

@@ -0,0 +1,31 @@
+import { Entity, PrimaryKey, Property, types } from '@mikro-orm/core';
+import { randomUUID } from 'crypto';
+
+@Entity({ tableName: 'users' })
+export class User {
+  @PrimaryKey({ name: 'id', type: 'uuid' })
+  id: string = randomUUID();
+
+  @Property({ type: 'date' })
+  createdAt: Date = new Date();
+
+  @Property({ type: 'text' })
+  name!: string;
+
+  @Property({ name: 'permissions', type: types.array })
+  roles: string[] = [];
+}
+
+export interface UserDTO {
+  id: string;
+  roles: string[];
+  createdAt: string;
+}
+
+export function formatUser(user: User): UserDTO {
+  return {
+    id: user.id,
+    roles: user.roles,
+    createdAt: user.createdAt.toISOString(),
+  };
+}