text: module.exports.Token = require('./token.model');
  module.exports.User = require('./user.model');
  module.exports.Truc = require('./truc.model');
  module.exports.Blog = require('./blog.model');
  module.exports.Appared_size = require('./appared_size.model');
  module.exports.Product = require('./product.model');
  module.exports.Product_categories = require('./product_categories.model');