Support Traffic Mod

[0x1F9F1]

Add support for Querty_86's traffic mod (it requires a custom exe)

[ca5dx]

There is also Qwerty86's police patch & the Box Designs cop patch (both available on mmarchive...not sure those utilize a custom exe? been forever) and the nigh extinct Box Designs traffic mod - a friend of mine backed it up on Mediafire: https://www.mediafire.com/file/oohgrxck56l88df/MM1_TrafficMod.zip/file