Crin Refactor (#13982)

* rename LAYOUT_default to LAYOUT_all

* apply human-friendly formatting to info.json

* correct keyboard dimensions

* correct data for LAYOUT_tsangan

* add labels to LAYOUT_ansi data

* add labels to LAYOUT_all data

* add labels to LAYOUT_iso data

* crin.h: update grid alignment of matrix identifiers

* crin.h: add matrix diagram

* physically position matrix identifiers for LAYOUT_all

- move k2d to top row (right half of split Backspace)
- move k41 to fourth row (right half of split Left Shift [KC_NUBS])

* physically position matrix identifiers for LAYOUT_iso

- move k1d to top row ([KC_NUHS])
- add k41 to fourth row ([KC_NUBS], previously missing)

* refactor keymaps

- grid-align keycodes
- use four-space indent

* correct data for LAYOUT_iso

- move Enter key to home row

* rename LAYOUT_tsangan to LAYOUT_ansi_tsangan

* add LAYOUT_iso_tsangan

* update readme.md

- add `make` command for building
- add "Flashing example..."
- touch-up bootloader jump instructions (previous Markdown didn't render ideally on GitHub)

* extend keymap functionality

- add Grave Accent, Function keys, Print Screen, Scroll Lock and Pause keycodes to keymaps
- add RESET keycode (Fn+R)
- use KC_RGHT for Right arrow

* touch-up bootloader instructions on readme

- note that Bootmagic Lite jump erases persistent settings
- note that Fn+R is RESET keycode by default

1 files changed, 8 insertions, 4 deletions

diff --git a/keyboards/crin/readme.md b/keyboards/crin/readme.md
index 36a2080c42..1912cee1f7 100644
--- a/keyboards/crin/readme.md
+++ b/keyboards/crin/readme.md
@@ -8,13 +8,17 @@ Crin is an F-rowless 65%.
 
 Make example for this keyboard (after setting up your build environment):
 
+    make crin:default
+
+Flashing example for this keyboard:
+
     make crin:default:flash
 
-To enter the bootloader either:
+To reset the board into bootloader mode, do one of the following:
 
-0. Hold Esc while plugging the PCB in, if BOOTMAGIC lite is enabled.
-0. Press the RESET keycode, if programmed on the keymap.
-0. Slide the switch just below the reset button to the left and press the reset button.
+* Hold Esc while plugging the PCB in, if Bootmagic Lite is enabled (also erases persistent settings).
+* Press the RESET keycode, if programmed on the keymap (Fn+R by default).
+* Slide the switch just below the reset button to the left and press the reset button.
   * Please note that you must slide it back to the right for the PCB to boot QMK again.
 
 See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).