Added description of CTRL+SPACE,type,CTRL+I trick, and document how to reset all keybindings.
Added description of CTRL+SPACE,type,CTRL+I trick, and document how to
reset all keybindings.

rodoviario/wordgrinder,Munchotaur/wordgrinder,rodoviario/wordgrinder,NRauh/wordgrinder,NRauh/wordgrinder,Munchotaur/wordgrinder