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/defender.json

@@ -0,0 +1,76 @@
+{
+  "brand": "Defender",
+  "brand_id": "defender",
+  "last_updated": "2025-10-17",
+  "source": "ispyconnect.com",
+  "entries": [
+    {
+      "models": [
+        "301 mobile port",
+        "Other",
+        "sn301",
+        "SN301-8CH w/ Web Port"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "stillimg[CHANNEL].jpg"
+    },
+    {
+      "models": [
+        "Guard 2k",
+        "Other"
+      ],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 554,
+      "url": "/cam/realmonitor?channel=1&subtype=00&authbasic=[AUTH]"
+    },
+    {
+      "models": [
+        "Other",
+        "SN500 DVR"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "GetData.cgi?CH=[CHANNEL]&Codec=jpeg&Size=[WIDTH]x[HEIGHT]"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "tmpfs/auto.jpg"
+    },
+    {
+      "models": [
+        "SN301-8CH W/ WEB PORT"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "cgi-bin/video.jpg?cam=[CHANNEL]&quality=3&size=2"
+    },
+    {
+      "models": [
+        "SN500 DVR"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "mjpeg?res=full&x0=0&y0=0&x1=100%&y1=100%&quality=12&doublescan=0"
+    },
+    {
+      "models": [
+        "SN500 DVR (old)"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "GetStream.cgi?Video=[CHANNEL]"
+    }
+  ]
+}