[keyboard] added Adelheid (#9734)

* readded adelheid files

* reworked keymaps

- moved my personal keymap to a new folder
- added a new default keymap

* removed unnecessary backslash

* reenabled command rule

* bumped device number

* fixed layout for configurator

* applied suggestions from code review

Co-authored-by: Ryan <fauxpark@gmail.com>

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/adelheid/keymaps/floookay/rules.mk

@@ -0,0 +1 @@
+TAP_DANCE_ENABLE = yes