text: const mongoose = require('mongoose');
  
  const Database = new mongoose.Schema({
  
      // language
      language : {
          type : String,
          unique : 1,
          index : 1,
          required : 1
      }
  
  });
  
  Database.index({
      language : 1
  })
  
  module.exports = mongoose.model('language', Database);
  