update links to fullstack tutorials

Author: bezkoder

README.md

@@ -5,6 +5,18 @@ For more detail, please visit:
 
 > [Deploying/Hosting Node.js app on Heroku with MySQL database](https://bezkoder.com/deploy-node-js-app-heroku-cleardb-mysql/)
 
+Associations:
+> [Sequelize Associations: One-to-Many Relationship example](https://bezkoder.com/sequelize-associate-one-to-many/)
+
+Fullstack:
+> [Vue.js + Node.js + Express + MySQL example](https://bezkoder.com/vue-js-node-js-express-mysql-crud-example/)
+
+> [Vue.js + Node.js + Express + MongoDB example](https://bezkoder.com/vue-node-express-mongodb-mevn-crud/)
+
+> [Angular + Node.js + Express + MySQL example](https://bezkoder.com/angular-node-express-mysql/)
+
+> [React + Node.js + Express + MySQL example](https://bezkoder.com/react-node-express-mysql/)
+
 ## Project setup
 ```
 npm install