* fix crlf test
* add diff check before commit
* add dirty check flag (not sure if needed)
* Update test name and add more assertions
Update test name to make it clear that the Action no longer fails to detect CRLF changes.
* Add Comment to explain why we use git-diff again
* Add test to confirm content changes are commited
* Closes#241
Co-authored-by: Stefan Zweifel <hello@stefanzweifel.io>