feat: complete day 3

day3/models/variables.js

@@ -1,5 +1,5 @@
 module.exports = (sequelize, DataTypes) => {
-  const rules = sequelize.define(
+  const variables = sequelize.define(
     "variables",
     {
       id: {
@@ -9,19 +9,15 @@ module.exports = (sequelize, DataTypes) => {
       },
       name: DataTypes.STRING,
       type: DataTypes.STRING,
-      created_at: DataTypes.DATEONLY,
-      updated_at: DataTypes.DATE,
     },
     {
       timestamps: true,
       freezeTableName: true,
       tableName: "variables",
-    },
-    {
-      underscoredAll: false,
-      underscored: false,
+      createdAt: "created_at",
+      updatedAt: "updated_at",
     }
   );
 
-  return rules;
-};
+  return variables;
+};