feat: complete day 15

day15/models.js

@@ -0,0 +1,15 @@
+const { DataTypes } = require("sequelize");
+const sequelize = require("./db");
+
+const User = sequelize.define("User", {
+  name: DataTypes.STRING,
+});
+
+const Post = sequelize.define("Post", {
+  title: DataTypes.STRING,
+});
+
+User.hasMany(Post, { as: "posts" });
+Post.belongsTo(User);
+
+module.exports = { User, Post, sequelize };