Update the exercice skeleton Makefile to the one given during the
-rw-r--r-- 62 .gitignore
-rw-r--r-- 865 README
drwxr-xr-x - TP_7
drwxr-xr-x - TP_7_C
drwxr-xr-x - TP_8
drwxr-xr-x - TP_9
drwxr-xr-x - exo_skel