* info.json: apply friendly formatting
* info.json: update layout data
- update labels to make them QMK CLI friendly
- update key sizes and dimensions (removes key overlaps and mis-locations)
* foundation.h: edit white space
- convert tabs to spaces
- edit alignment of arrays
* foundation.h: add matrix diagram
* rename LAYOUT to LAYOUT_ansi_split_bs
* rename LAYOUT_tkl_ansi_7u to LAYOUT_ansi_tsangan_split_bs
* rename LAYOUT_tkl_iso to LAYOUT_iso_split_bs_rshift
* rename LAYOUT_tkl_iso_7u to LAYOUT_iso_tsangan_split_bs_rshift
* refactor keymaps
- use definitions from `layer_names` enum
- use grid alignment
- use QMK-native keycode aliases
* add reference keymaps
Add `default_ansi_tsangan_split_bs`, `default_iso_split_bs_rshift`, and `default_iso_tsangan_split_bs_rshift` keymaps.
* refactor ISO layouts
Edits the ISO layout macros so that the keycode for Enter is to the end of the home row.
* info.json: fix LAYOUT_iso_tsangan_split_bs_rshift reference
Thanks to zvecr.
