Defines some custom keycodes, alongside with the Secrets feature. Also incorporates process_record_user_kb() for further controls.
Heavily influenced by the Userspace code by replicaJunction.
KC_SEC# for the Secrets inputKC_TASK for the Windows Task Manager shortcut LCTL(LSFT(KC_ESC))KC_MMUT for the Windows PowerToys Conference Mute microphone LSG(KC_A)