* implemented new mousekey_combined functionality * minor formatting change to documentation * Update tmk_core/common/mousekey.c Co-authored-by: Ryan <fauxpark@gmail.com> * Update tmk_core/common/mousekey.c Co-authored-by: Ryan <fauxpark@gmail.com> * Update tmk_core/common/mousekey.c Co-authored-by: Ryan <fauxpark@gmail.com> * Update tmk_core/common/mousekey.c Co-authored-by: Ryan <fauxpark@gmail.com> * Update docs/feature_mouse_keys.md Co-authored-by: Nick Brassel <nick@tzarc.org> * Update docs/feature_mouse_keys.md Co-authored-by: Nick Brassel <nick@tzarc.org> * Update docs/feature_mouse_keys.md Co-authored-by: Nick Brassel <nick@tzarc.org> * Update docs/feature_mouse_keys.md Co-authored-by: Nick Brassel <nick@tzarc.org> Co-authored-by: Nathan Vercaemert <nathan.vercaemert@gmail.com> Co-authored-by: Ryan <fauxpark@gmail.com> Co-authored-by: Nick Brassel <nick@tzarc.org>