Refactor 4 with bugfixes

server/src/entities/AuthUserEntity.ts

@@ -0,0 +1,23 @@
+import {
+  Entity,
+  PrimaryColumn,
+  Column
+} from 'typeorm';
+
+@Entity('users')
+export class AuthUserEntity {
+  @PrimaryColumn('text')
+  id!: string;
+
+  @Column('text', { unique: true })
+  username!: string;
+
+  @Column('text')
+  passwordHash!: string;
+
+  @Column('text')
+  displayName!: string;
+
+  @Column('integer')
+  createdAt!: number;
+}