* Add wasdat:konstantin keymap
TODO: Move it to layouts/
* Use HHKB arrow arrangement for mouse keys on KBD6X
* Move KC_APP from Ctrl to M on all boards
* Use RCT_RSF on Melody96
* Set TAP_HOLD_CAPS_DELAY to 50 in userspace
* Use RSF_RCT instead of RCT_RSF