feat: initial model

src/polls/entities/inviteCode.entity.ts

@@ -0,0 +1,29 @@
+import {
+  Entity,
+  Column,
+  PrimaryGeneratedColumn,
+  Unique,
+  Generated,
+  ManyToOne,
+} from 'typeorm';
+import { Poll } from './poll.entity';
+
+@Entity()
+@Unique(['value'])
+export class InviteCode {
+  @PrimaryGeneratedColumn({})
+  id: number;
+
+  @Column()
+  description: string;
+
+  @Column({ nullable: true, default: null })
+  max_usages: number;
+
+  @Column()
+  @Generated('uuid')
+  value: string;
+
+  @ManyToOne(() => Poll, (poll) => poll.codes)
+  poll: Poll;
+}