AIS:
- New optional NMEA UDP forwarding via AIS-catcher's -u flag, configurable
from the AIS sidebar (host + port). Lets OpenCPN and other NMEA tools
receive live vessel data directly. All SDR builders updated.
- New GET /ais/vessels endpoint — clean JSON snapshot of tracked vessels
for REST integration
ADS-B:
- New GET /adsb/aircraft endpoint — JSON snapshot of all tracked aircraft,
with optional ?icao= and ?military=true filters. Response includes a
reminder that port 30003 (SBS) is already available for tools like
Virtual Radar Server and OpenCPN's AIS/target plugin.
Closes#90