chore(server): move dtos (#8131)

move dtos

server/src/dtos/system-config-user.dto.ts

@@ -0,0 +1,11 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { Type } from 'class-transformer';
+import { IsInt, Min } from 'class-validator';
+
+export class SystemConfigUserDto {
+  @IsInt()
+  @Min(1)
+  @Type(() => Number)
+  @ApiProperty({ type: 'integer' })
+  deleteDelay!: number;
+}