[COMMON] Add a shellcheck tox profile

Shellcheck is a shell linter.
It can include good remarks as well as false positives.
It is currently not activated in the CI.

Issue-ID: OOM-2643
Signed-off-by: guillaume.lambert <guillaume.lambert@orange.com>
Change-Id: Ie392ce030f877ab6bdca9e91d7f8ec6820f34d79
1 file changed