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/crystal-vision.json

@@ -0,0 +1,50 @@
+{
+  "brand": "Crystal Vision",
+  "brand_id": "crystal-vision",
+  "last_updated": "2025-10-17",
+  "source": "ispyconnect.com",
+  "entries": [
+    {
+      "models": [
+        "20wb",
+        "804",
+        "CVT20WB",
+        "cvt804a-20wb",
+        "CVT9604E",
+        "CVT9604E-3010W",
+        "Other"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "cgi-bin/snapshot.cgi?chn=[CHANNEL]&u=[USERNAME]&p=[PASSWORD]"
+    },
+    {
+      "models": [
+        "CVT20WB"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 80,
+      "url": "/?action=stream"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "snapshot.jpg?user=[USERNAME]&pwd=[PASSWORD]&strm=[CHANNEL]"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 80,
+      "url": "/"
+    }
+  ]
+}