Steering QOL improvement (configurable steering centering rate)

[BlazeWolf1122]

This is a feature ive been wanting for as long as ive used MTS and ive finally been able to uhhh "do it" I hope this isn't considered "janky" or "bad code", cause it does look a bit out of place when you look at the rest of the surrounding code

[BlazeWolf1122]

hello this took far too long but i finally used your advice and updated the PR this has been haunting me in my dreams

[BlazeWolf1122]

also im pleasantly surprised that the if-then thing could've simply just been one line well, i guess you don't know until you know