Update README.md

Author: hamdivazim-archive

README.md

@@ -9,3 +9,6 @@ $ pip install usefulib
 
 ## What can it do?
 usefulib is open-source and can be contributed to by anyone. Therefore, it offers a lot of simple functions to make writing code easier and quicker. A complete list of all fuctions usefulib provides can be found [here](https://github.com/hamdivazim/usefulib/blob/main/ALLFUNCTIONS.md).
+
+## Can I contribute?
+Want to contribbute? You rock! Before you do, make sure to read the [contributing guidelines]([url](https://github.com/hamdivazim/usefulib/blob/main/CONTRIBUTING.md)) and you should have your PR merged!