feat: prepare TypeORM support for Postgres db calls

src/entities/Link.ts

@@ -0,0 +1,31 @@
+import { Entity, PrimaryGeneratedColumn, Column, ManyToOne, JoinTable } from "typeorm"
+import { User } from "./User"
+
+@Entity("links")
+export class Link {
+
+	@PrimaryGeneratedColumn()
+	id: number
+
+	@Column({ nullable: true })
+	subdomain: string
+
+	@Column()
+	shortUri: string
+
+	@Column()
+	fullUrl: string
+
+	@Column()
+	role: string
+
+	@Column('bigint')
+	createDate: number
+
+	@Column('bigint')
+	expiryDate: number
+
+	@ManyToOne(() => User, (user) => user.links)
+	@JoinTable()
+	author: User
+}