text: const mongose = require('mongoose');
  const Schema = mongose.Schema;
  
  const UserSchema = new Schema({
      username: {
          type: String,
          required: true,
          unique: true
      },
      password: {
          type: String,
          minlength: 5
      }
      
  });
  
  
  module.exports = mongose.model('user', UserSchema);