* Migrate `LAYOUTS` to data driven, 0-9
* Migrate `LAYOUTS` to data driven, A
* Migrate `LAYOUTS` to data driven, B
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* Migrate `LAYOUTS` to data driven, handwired
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* Migrate `LAYOUTS` to data driven, Z
* Crawlpad: delete kbfirmware JSON file
* Crawlpad: refactor
- config.h and crawlpad.h updated to use #pragma once method
- layout macro renamed from KEYMAP to LAYOUT_ortho_4x4
- default keymap now uses #include QMK_KEYBOARD_H
- deleted deprecated action_get_macro function
- cleanup rules.mk file
- add LAYOUTS = ortho_4x4 to rules.mk
* Crawlpad: Configurator support
* Crawlpad: readme update
- update image link to direct link
- fully update Docs link line
- delete reference to deleted kbfirmware JSON file
