Function create

create(
    data: {
        category: ItemCategory;
        name: string;
        price: number;
        stock: number;
        user?: number;
    },
): Promise<
    {
        category: ItemCategory;
        id: number;
        name: string;
        price: number;
        stock: number;
        user?: | number
        | { email?: string; id: number; name?: string; username: string };
    },
>
Parameters
- data: {
      category: ItemCategory;
      name: string;
      price: number;
      stock: number;
      user?: number;
  }
Returns Promise<
    {
        category: ItemCategory;
        id: number;
        name: string;
        price: number;
        stock: number;
        user?: | number
        | { email?: string; id: number; name?: string; username: string };
    },
>
- Defined in backend/src/services/items.ts:67