Idaho-S92 Fish Lake USFS (cleanup/fix)

This add-on provides a cleanup and fix for Fish Lake USFS Airfield (ICAO S92), a high-altitude and challenging real-world strip with a 2,937-foot runway at 5,800 feet elevation. It addresses terrain, signage, and hazard warnings relevant to the airfield's known wind and density altitude dangers. The update enhances accuracy and detail for pilots operating from this location. Requires additional library dependencies for full functionality.