RVwiki: added Georgia to list of places with vandweller ban

Added this entry:

It shall be unlawful for any person or persons to lodge in, on or about any automobile, truck, trailer, RV, camper, or similar vehicle in any County street, right-of-way, at any County owned or operated parks, boat ramps, grounds, recreational facilities, county owned parking lot, or other public property of Chatham County.”