add hotkeys to switch modes.
add hotkeys to switch modes.

HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk,HellicarAndLewis/ProjectDonk