* Update ergodox infinity nordic_ergo keymap
- Add missing important keys to base layer.
- Move arrow keys around as the original position was not optimal.
- Fix some code styling issues.
* Fix indentation to 4 spaces
* More code style fixes
- Formated the methods in the nordic ergo keymap.
* Fix QMK code style issues
- Change layer defines to enums.
- Split enums to multi-line.
- Remove non required switch case.