Mount
This event gets called when a player gets on a mount
- Event name - plouffe_lib:mount
- Args - 1 : true if getting on mount false if leaving a mount
 2 : local entity id of the mount
 3 : seat ... the seat
- Example - AddEventHandler("plouffe_lib:mount", function(state, mount, seat)
 if state then
 print(("Player is on mount %s in seat %s"):format(mount, seat))
 else
 print(("Player left mount %s was in seat %s"):format(mount, seat))
 end
 end)