docs: add guide link and used by blogs

Author: khaaleoo

README.md

@@ -2,7 +2,6 @@
 
 This repository contains a mini kit for integrating Notion API with Next.js. This kit provides a simple and efficient way to connect your Next.js applications with Notion to access and display data.
 
-
 ## Features
 
 - Seamless integration of Notion API with Next.js
@@ -20,6 +19,12 @@ This repository contains a mini kit for integrating Notion API with Next.js. Thi
 - [React Notion](https://github.com/splitbee/react-notion): minimal renderer for blogs & content pages
 - [@notionhq/client](https://www.npmjs.com/package/@notionhq/client): A simple and easy to use client for the Notion API
 - [Headlessui](https://headlessui.com/): UI components, designed to integrate beautifully with Tailwind CSS
+  
+
+## Full Steps to Setup
+- English: [Guide to building a personal blog with Next.js and Notion
+](https://www.lexuankha.com/blog/guide-to-building-a-personal-blog-with-next-js-and-notion)
+- Vietnamese: [Hướng dẫn xây dựng blog cá nhân với NextJs và Notion](https://viblo.asia/p/huong-dan-xay-dung-blog-ca-nhan-voi-nextjs-va-notion-WR5JRZjQJGv)
 
 
 ## Installation
@@ -60,6 +65,11 @@ To revalidate static pages, access the following endpoint:
 
 https://yourdomain/api/revalidate?path=/yourpath&secret=yoursecret
 
+## Used By
+
+This project is used by the following pages/blogs:
+
+- [Leo's Tech Blog](https://lexuankha.com)
 
 
 ## Feedback & Contributing