Dyz60 touch-up (#14742)
* friendly-format info.json
* refactor keymaps
- update grid alignment
- use four-space indent
- use QMK short-form keycodes
* correct info.json layout data
Adds three missing positions, and corrects some key sizes.
* add matrix diagram to dyz60.h
* add LAYOUT_60_ansi
* add LAYOUT_60_iso
* add LAYOUT_60_ansi_split_bs_rshift
* add LAYOUT_60_iso_split_bs_rshift
* add readme
* Remove duplication between config.h and info.json
Duplicating settings between config.h and info.json leads to warnings when compiling.
Removes the duplicated settings from config.h.