Update README.md

adding fae engine repo.

README.md

@@ -9,8 +9,11 @@
 
 [![Hits](https://hits.seeyoufarm.com/api/count/incr/badge.svg?url=https%3A%2F%2Fgithub.com%2FMatinAfzal%2F3DICU&count_bg=%2379C83D&title_bg=%23555555&icon=docusign.svg&icon_color=%23E7E7E7&title=Views&edge_flat=false)](https://hits.seeyoufarm.com)
 
-I started programming a computer universe based on voxels in February 2024 and I am trying to make it more complete.   
-This project has a custom built-in 3D rendering engine written using OpenGL
+I started programming a computer universe based on voxels in February 2024 and I am trying to make it more complete. 
+This project has an internal 3D rendering engine that was built by me using OpenGL called FA-Engine.
+
+You can find more information about FA-Engine here: [FAE Repository](https://github.com/MatinAfzal/FloatArtsEngine)
+
 Any programmer can use the codes in this project to build his own world or help improve ICU.
 
 Developer: [@MatinAfzal](https://github.com/MatinAfzal)