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/a4tech.json

@@ -0,0 +1,141 @@
+{
+  "brand": "A4tech",
+  "brand_id": "a4tech",
+  "last_updated": "2025-10-17",
+  "source": "ispyconnect.com",
+  "entries": [
+    {
+      "models": [
+        "432b",
+        "Other"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "cgi-bin/guest/Video.cgi?media=JPEG"
+    },
+    {
+      "models": [
+        "432b",
+        "avm457",
+        "Other"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "cgi-bin/guest/Video.cgi?media=JPEG&channel=[CHANNEL]"
+    },
+    {
+      "models": [
+        "AVM457",
+        "Ganek",
+        "Other"
+      ],
+      "type": "FFMPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "videostream.asf?usr=[USERNAME]&pwd=[PASSWORD]"
+    },
+    {
+      "models": [
+        "AVM457",
+        "Other"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "snapshot.cgi?user=[USERNAME]&pwd=[PASSWORD]"
+    },
+    {
+      "models": [
+        "ITD2016",
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "video.mjpg"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "FFMPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "videostream.asf?user=[USERNAME]&pwd=[PASSWORD]&resolution=64&rate=0"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "img/snapshot.cgi?size=2"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "image.jpg"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "videostream.cgi?rate=11"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "nphMotionJpeg?Resolution=640x480&Quality=Standard"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "videostream.cgi?rate=0&user=[USERNAME]&pwd=[PASSWORD]"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "GetData.cgi"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "VLC",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "[CHANNEL]/[USERNAME]:[PASSWORD]/main"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "video.mjpg?q=30&fps=33&id=0.5"
+    }
+  ]
+}