KBDfans KBD75 Refactor - 2022 Edition (#17052)

* add license headers

* tidy-up revision rules.mk files

- convert tabs to spaces
- align inline comments
- update rule ordering

* touch-up readme.md

* touch-up rev1/rev1.h

- convert tabs to spaces
- convert to QMK 3-character notation for matrix positions

* rev1/rev1.h: add matrix diagram

* touch-up rev2/rev2.h

- convert tabs to spaces
- convert to QMK 3-character notation for matrix positions

* rev2/rev2.h: add matrix diagrams

* rev1/info.json: apply friendly formatting

* rev2/info.json: apply friendly formatting

* refactor layout macros

- switch `LAYOUT_ansi_1u` with `LAYOUT_75_ansi`
  - makes `LAYOUT_75_ansi` the canonical macro name, with `LAYOUT_ansi_1u` as an alias for backwards compatibility
  - move `LAYOUT_ansi_1u` alias to `info.json` files from revision headers
- remove `LAYOUT_iso_1u` (was unused)
- rename `LAYOUT_ansi` to `LAYOUT_75_ansi_rwkl`
- rename `LAYOUT_iso` to `LAYOUT_75_iso_rwkl`

* refactor default keymap

- use four-space indent
- update grid alignment

* refactor iso keymap

- refactor to use `LAYOUT_75_iso` macro
  - change from Split to 2u Backspace
  - change from Split to Standard Spacebar
  - change `KC_BSLS` keycode to `KC_NUHS`, and place on home row
- use four-space indent
- update grid alignment

* refactor via keymap

- use four-space indent
- update grid alignment

* touch-up readme.md again

Fix a broken link.

* update section comments in revision header files

* add Full Winkeyless layouts

- add `LAYOUT_75_ansi_wkl` and `LAYOUT_75_iso_wkl` layout macros

1 files changed, 5 insertions, 5 deletions

diff --git a/keyboards/kbdfans/kbd75/readme.md b/keyboards/kbdfans/kbd75/readme.md
index b7bf379c10..60e71fdc94 100644
--- a/keyboards/kbdfans/kbd75/readme.md
+++ b/keyboards/kbdfans/kbd75/readme.md
@@ -3,18 +3,18 @@
 The KBD75 was sold through various rounds, with various PCB changes between them. 
 
 * **Round 1 (2017)**: Black PCB - Bootmapper Client, atmega32a MCU (Use [Winkeyless.kr B.mini](../../winkeyless/bmini/) firmware)
-* **Round 2 (2018)**: White PCB - Bootmapper Client, atmega32a MCU (Use [ymd75/rev1](../../ymd75/rev1/) firmware)
+* **Round 2 (2018)**: White PCB - Bootmapper Client, atmega32a MCU (Use [ymdk/ymd75/rev1](../../ymdk/ymd75/rev1/) firmware)
 * **Round 3-5 (2018)**: White PCB - QMK Firmware, atmega32u4 MCU (Use KBD75 rev1 or rev2(without numpad support)) 
 * **Round 6 (2019)**: White PCB with USB C - QMK Firmware, atmega32u4 MCU (Use KBD75 rev1 or rev2(with numpad support))
 * **V2 (2019-)**: Same as **Round 6** (above).
 
 **Firmware files are SPECIFIC to each board. Firmware files from one, will not work on the other.**
 
-* Keyboard Maintainer: QMK Community
-* Hardware Supported: KBD75 PCB rev 1 and 2
+* Keyboard Maintainer: [The QMK Community](https://github.com/qmk)
+* Hardware Supported: KBD75 PCB [rev1](./rev1) and [rev2](./rev2)
 * Hardware Availability:
-    * https://kbdfans.com/collections/75-diy-kit/products/kbd75-keyboard-set
-    * https://kbdfans.com/collections/75-diy-kit/products/kbd75v2-custom-keyboard-diy-kit
+  * [KBD75 rev2 Kit – KBDfans.com](https://kbdfans.com/collections/75-diy-kit/products/kbd75v2-custom-keyboard-diy-kit)
+  * [KBD75 rev2 PCB – KBDfans.com](https://kbdfans.com/collections/pcb/products/kbdfans-75-pcb-75)
 
 Make example for this keyboard (after setting up your build environment):