feat: add payment entity

src/db/entities/payments.entity.ts

@@ -0,0 +1,53 @@
+import { Entity, Column, PrimaryGeneratedColumn } from 'typeorm';
+import { ApiProperty } from '@nestjs/swagger';
+
+@Entity()
+export class Payment {
+  @PrimaryGeneratedColumn()
+  @ApiProperty()
+  id: number;
+
+  @Column({ unique: true })
+  @ApiProperty()
+  transaction_id: string;
+
+  @Column()
+  @ApiProperty()
+  trade_state: number;
+
+  @Column()
+  @ApiProperty()
+  pay_time: number;
+
+  @Column()
+  @ApiProperty()
+  out_trade_no: string;
+
+  @Column()
+  @ApiProperty()
+  external_userid: string;
+
+  @Column()
+  @ApiProperty()
+  total_fee: number;
+
+  @Column()
+  @ApiProperty()
+  payee_userid: string;
+
+  @Column()
+  @ApiProperty()
+  payment_type: number;
+
+  @Column()
+  @ApiProperty()
+  mch_id: string;
+
+  @Column()
+  @ApiProperty()
+  remark: string;
+
+  @Column()
+  @ApiProperty()
+  total_refund_fee: number;
+}