`push` command

Is your feature request related to a problem? Please describe.

I'm a new user so apologies if I missed something!

Currently, to push your changes to your git repo, you have 2 options:

1. manually use git commands when you're ready to push, so chezmoi cd, git add, git commit, git push
2. use autoCommit / autoPush, but that will push immediately whenever a change is made to the source directory, i.e. it's kind of dangerous

Describe the solution you'd like

I am surprised there is no in-between option, e.g. a chezmoi push command that does 1. but with a single command, and without having to call git directly. This would be consistent / symmetric with chezmoi update?

Thanks for considering, and for the great tool!