Add all database tables with relations

software/backend/models/users.model.ts

@@ -0,0 +1,24 @@
+import { Table, Column, Model, HasMany } from 'sequelize-typescript';
+import { Orders } from './orders.model';
+
+@Table
+export class Users extends Model {
+  @Column
+  username: string
+
+  @Column
+  password: string
+
+  @Column
+  address: string
+
+  @Column
+  firstName: string
+
+  @Column
+  lastName: string
+
+  // Relations
+  @HasMany(() => Orders)
+  orders: Orders[]
+}