Github Actions now working with CUnit, Valgrind and Norminette

Using CUnit

Now, I'm using the CUnit framework for building tests to my program: push_swap.

Using Valgrind with GitHub Actions

This is so awesome! The GitHub is checking memory leaks with Valgrind automatically.
TODO >> However, I fell that I will need to update this code to make return an error, if Valgrind found a memory leak. << TODO

Using Norminette with GitHub Actions

It is an amazing feeling after pushing new commits into the repo and having a norminette verification!