$ git clone https://github.com/andercarrera/exerciseSE.git
16.	(Developer 2) Change the content of File1.txt in new_feature branch
$ git add --all (o los files que se quieran añadir)
$ git commit -m "ChangesManza"
$ git checkout newBranch
(change content)
17.	(Developer 2) Create a new file, “File3.txt”
$ git add file3.txt (o los files que se quieran añadir)
$ git commit -m "file3manza"
18.	(Developer 2) Create a new branch “hot-fix” starting from new-feature branch
$ git branch hot-fix
19.	(Developer 2) Create a new file, “File4.txt”
$git checkout hot-fix
 $git add file4.txt
$git commit -m file4manza
20.	(Developer 2) Upload the changes to the remote repository
$ git push --all