Implement User entity.

This commit implements the User entity according to the database schema and adds the Identity and AuthToken entities.

Signed-off-by: David Mehren <git@herrmehren.de>

src/users/auth-token.entity.ts

@@ -0,0 +1,22 @@
+import {
+  Column,
+  Entity,
+  ManyToOne,
+  PrimaryGeneratedColumn,
+} from 'typeorm/index';
+import { User } from './user.entity';
+
+@Entity()
+export class AuthToken {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @ManyToOne(
+    _ => User,
+    user => user.authToken,
+  )
+  user: User;
+
+  @Column()
+  accessToken: string;
+}