feat(m4): add solution exe-001 display-the-head-of-a-file#3543

AlessandroVerzella wants to merge 4 commits intotomorrowdevs-projects:maintomorrowdevs-projects/programming-basics:mainfrom

AlessandroVerzella:solution/m4-001AlessandroVerzella/programming-basics:solution/m4-001Copy head branch name to clipboard