## Changes
<!-- Summary of your changes that are easy to understand -->
1. Add pattern to always ignore .databricks
2. Best effort creation of .gitignore with .databricks if it's needed
## Tests
<!-- How is this tested? -->
By:
* Add .gitkeep to retain test fixture directories under
./python/testdata
* Move GitHub related functionality to ./experimental (it is not in use)
* Comment out test in ./cmd/sync
* Fix test in ./git