Description

Commands like cz --help, cz example, cz schema, cz ls and cz version won't work if there's no repository

commitizen version

1.23.0

Steps to Reproduce

Steps to reproduce the behavior:

1. cd
2. cz --help
3. Observe error

fatal: not a git repository (or any of the parent directories): .git

Expected Behavior

Show information when necessary, people may want to see the schema, example, or version at any place.

Actual Behavior

fatal: not a git repository (or any of the parent directories): .git