feat: initial KosmoConnect platform v0.1

Includes:
- Backend services: ingestion (:8001), weather API (:8002),
  gateway (:8003), billing (:8004) with BTCPay integration
- Shared asyncpg pool, TimescaleDB hypertable, Redis, Mosquitto MQTT
- React frontend: Dashboard (MapLibre) and Messaging (chat UI)
- Bridge daemon for Pi + Meshtastic (Serial/TCP T-Deck support)
- Production Docker Compose, Nginx reverse proxy, ops scripts
- DEPLOY.md with step-by-step deployment guide

firmware/infrastructure-node/bridge-daemon/kosmo-bridge.service

@@ -0,0 +1,22 @@
+[Unit]
+Description=KosmoConnect Bridge Daemon
+After=network.target
+
+[Service]
+Type=simple
+User=kosmo
+Group=kosmo
+WorkingDirectory=/opt/kosmo-bridge
+Environment="PYTHONUNBUFFERED=1"
+Environment="MQTT_HOST=mqtt.kosmoconnect.example"
+Environment="MQTT_PORT=1883"
+Environment="MESHTASTIC_DEVICE=/dev/ttyUSB0"
+# Environment="MESHTASTIC_HOST=192.168.1.45"
+# Environment="MESHTASTIC_TCP_PORT=4403"
+Environment="GATEWAY_NODE_ID=!gateway01"
+ExecStart=/opt/kosmo-bridge/venv/bin/python -m src.main
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target