* Add S7 Elephant Rev2 Support
* Apply suggestions from code review
I tested the changes on my board as well, thanks for the suggestions!
* Added a default folder in the makefile so that this would no longer be a breaking change
* Fixing via issues
* Fixing whitespace issues on the keymap
* Fixed the default via layer 1 keymap, was a little weird before
* Removing redundant declarations in via/rules.mk
