Add reference to contribution guidelines

sebromero · sebromero · commit 5af2752835cd · 2023-07-13T14:23:05.000+02:00
diff --git a/description.md b/description.md
@@ -1,3 +1,7 @@
 # 🐍 MicroPython Package Index
 
 A list of useful MicroPython packages that can be used with the compatible Arduino products.  
+
+## 🤲 Contributing
+
+Please read the [contribution guidelines](./CONTRIBUTING.md) to learn how to add your MicroPython packages to the MicroPython Package Index.
