Add Strix camera discovery system with comprehensive database

This commit adds the complete Strix IP camera stream discovery system:
- Go-based API server with SSE support for real-time updates
- 3,600+ camera brand database with stream URL patterns
- Intelligent fuzzy search across camera models
- ONVIF discovery and stream validation
- RESTful API with health check, camera search, and stream discovery
- Makefile for building and deployment
- Comprehensive README documentation

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

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

data/brands/doorbird.json

@@ -0,0 +1,61 @@
+{
+  "brand": "Doorbird",
+  "brand_id": "doorbird",
+  "last_updated": "2025-10-17",
+  "source": "ispyconnect.com",
+  "entries": [
+    {
+      "models": [
+        "d101",
+        "D101",
+        "D101S",
+        "D1101V",
+        "D2101BV",
+        "D2101V",
+        "D2103V",
+        "DoorBird_D101",
+        "DOORBIRD_D101"
+      ],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "/mpeg/media.amp"
+    },
+    {
+      "models": [
+        "D101"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 8557,
+      "url": "bha-api/image.cgi?http-user=[USERNAME]&http-password=[PASSWORD]"
+    },
+    {
+      "models": [
+        "D204"
+      ],
+      "type": "FFMPEG",
+      "protocol": "http",
+      "port": 80,
+      "url": "/"
+    },
+    {
+      "models": [
+        "D2101BV"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 80,
+      "url": "/bha-api/video.cgi"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 8557,
+      "url": "bha-api/video.cgi?http-user=[USERNAME]&http-password=[PASSWORD]"
+    }
+  ]
+}