git add credentials to repo code example

Example 1: git ubuntu store credential

$ git config credential.helper store
$ git push http://example.com/repo.git
Username: <type your username>
Password: <type your password>

[several days later]
$ git push http://example.com/repo.git
[your credentials are used automatically]

Example 2: add credentials git linux

# This cache timeout is in seconds
$ git config --global credential.helper 'cache --timeout=3600'