* 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
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