* Add keyboard Signum 3.0 for the elite-c
* Update readme.md
* Remove unused macros
* Use bootmagic lite instead of full
* Add warning to keymap.c that it's auto-generate
* Add description for customizing keyboard layouts
* Make generate_km.py executable
* Make right shift available in numpad layer
* Update keyboards/signum/3_0/elitec/readme.md
Co-Authored-By: jceb <jceb@e-jc.de>
* Update keyboards/signum/3_0/elitec/readme.md
Co-Authored-By: jceb <jceb@e-jc.de>
* Fix typo in symbol name
