Allows user to set AvoidTolls

[JakeOrel]

MapViewDirections

• Adds avoidTolls to the componentWillUpdate watch
• Passes avoidTolls to fetchRoute, if set to true it will update the URL to contain '&avoid=tolls'
• Declares prop under propTypes as bool

Index.d.ts

• adds the avoidTolls to declaration with an explanation as to what it does

same changes as last time i made a pr but on a new repo where my formatter didnt make a bunch of changes

[bramus]

There’s a typo in the typings file: it reads avoitTolls instead of avoidTolls

[JakeOrel]

Updated typo