Initial implementation of SkyView - ADS-B aircraft tracker

- Go application with embedded static files for dump1090 frontend
- TCP client for SBS-1/BaseStation format (port 30003)
- Real-time WebSocket updates with aircraft tracking
- Modern web frontend with Leaflet maps and mobile-responsive design
- Aircraft table with filtering/sorting and statistics dashboard
- Origin configuration for receiver location and distance calculations
- Automatic config.json loading from current directory
- Foreground execution by default with optional -daemon flag

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

config.json.example

@@ -0,0 +1,15 @@
+{
+  "server": {
+    "address": ":8080",
+    "port": 8080
+  },
+  "dump1090": {
+    "host": "192.168.1.100",
+    "data_port": 30003
+  },
+  "origin": {
+    "latitude": 37.7749,
+    "longitude": -122.4194,
+    "name": "San Francisco"
+  }
+}