Help page does not show when not in git repo

[BoltonBailey]

Describe the bug
A clear and concise description of what the bug is.

The CLI tool does not show a help page when not in a git repo, presumably because it doesn't expect to work at all outside a git repo.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Run the following command outside a git repo.

git-quick-stats --help
fatal: not a git repository (or any of the parent directories): .git
fatal: not a git repository (or any of the parent directories): .git

Expected behavior
A clear and concise description of what you expected to happen.

The help page should be displayed.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

MacOS, with the version installed via brew on 2024-06-05