This should help use keep the codebase more consistent, and avoid sevel
whitespace related issues, or bad file permissions.
pre-commit allows us to easily introduce other linters in follow-ups,
like bashate.
Note: pre-commit tool does *not* install any git-hooks. Making commits
will will call the tool unless you deliverately tell it to install the
hooks.
Signed-off-by: Sorin Sbarnea <ssbarnea@redhat.com>
