adding MQ2Ice with permission from dewey2461

An addon to deal with skidding on ice, written by dewey2461 and requested by a RedGuides member.

How it works :

#1 - When you are in first floor of ToFS near the ice the plugin forces you to walk
#2 - When you are on ice and 'Skidding' the plugin will
------ Pause Stick/Nav
------ Use forward/back/strife keys to halt motion
------ Unpause Stick/Nav when you have stopped 'Skidding'
#3 - When you exit the ice area it will turn on anything its turned off.


You can turn on|off each of the mitigation steps to see how they effect your movement.```