feat: pass down argv to git commit

[privatenumber]

Previously

There were requests to support certain git commit features (e.g. https://github.com/Nutlope/aicommits/issues/33).

closes https://github.com/Nutlope/aicommits/issues/33

Currently

This passes down unused argv down to git commit so you can leverage most git commit features.

Other info

• Support for git commit -a will be tricky, because it needs to add the files before aicommits runs