Add section for git-hook

git-hook example usage:

Validate commit message
Validate git author and email is valid (is a real human or a known machine user)
Validate/lint code according to standards (PHP version, Drupal version etc)
Validate git branch/tag name
Static code analysis report
Check ToDo comments
Check debug code exists (should not)
Check sensitive data (eg passwords) exist (should not)
Lorem ipsum text (should not exist)
Propose to reformat code
Propose to fix code standards
Run local tests
Spell check
Disallow wording
Check file permissions
Disallow direct push access to "protected" branches
Display a helper message about current project
Allow to ignore git-hook

PHP git-hook examples:

Documentation:

theodorosploumis / notes