const userSchema = mongoose.Schema({
    username: {
        type: String,
        required: true,
        unique: true
    },
    email: {
        type: String,
        required: true,
        unique: true
    },
    password: {
        type: String,
        required: true
    },
    item: {
        item1: {
            type: Number,
            default: 0
        },
        item2: {
            type: Number,
            default: 0
        },
        item3: {
            type: Number,
            default: 0
        }
    }
});