docs: demo

README.md

@@ -4,6 +4,13 @@
 
 Welcome to the _Next.js Enterprise Boilerplate_, an open-source template for enterprise projects! It's loaded with features that'll help you build a high-performance, maintainable, and enjoyable app. We've done all the heavy lifting for you, so sit back, relax, and get ready to conquer the world with your incredible app! 🌍
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+<br />
+You can test the demo [here](https://next-boilerplate-rharkor.vercel.app/).
+
+> email: `[email protected]`  
+> password: `Azerty123!`
+
+[![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/rharkor/next-boilerplate/blob/main/LICENSE)
 
 ## 📚 Features