Kegen G-Boy Layout Additions (#20697)

* add matrix_diagram.md

* info.json: apply friendly formatting

* patch diagram

* add LAYOUT_65_ansi_split_bs

* add LAYOUT_65_ansi

* add LAYOUT_65_ansi_rwkl_split_bs

* add LAYOUT_65_ansi_rwkl

* add LAYOUT_65_ansi_wkl_split_bs

* add LAYOUT_65_ansi_wkl

* add LAYOUT_65_iso_split_bs

* add LAYOUT_65_iso

* add LAYOUT_65_iso_rwkl_split_bs

* add LAYOUT_65_iso_rwkl

* add LAYOUT_65_iso_wkl_split_bs

* add LAYOUT_65_iso_wkl

* enable Community Layout support

Author: noroadsleft