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/hisilicon.json

@@ -0,0 +1,156 @@
+{
+  "brand": "Hisilicon",
+  "brand_id": "hisilicon",
+  "last_updated": "2025-10-17",
+  "source": "ispyconnect.com",
+  "entries": [
+    {
+      "models": [
+        "2011-05",
+        "DV300",
+        "Hi3507",
+        "Other",
+        "RTSP(TCP) DVR"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "cgi-bin/net_jpeg.cgi?ch=[CHANNEL]"
+    },
+    {
+      "models": [
+        "3518",
+        "HI3516C",
+        "Hi3518E"
+      ],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "/user=[USERNAME]_password=[PASSWORD]_channel=1_stream=0.sdp"
+    },
+    {
+      "models": [
+        "3518",
+        "HI3518E",
+        "Other",
+        "RTSP(TCP) DVR",
+        "works"
+      ],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "/11"
+    },
+    {
+      "models": [
+        "3518",
+        "HI3516C",
+        "HI3518E"
+      ],
+      "type": "VLC",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "user=[USERNAME]&password=[PASSWORD]&channel=1&stream=0.sdp?"
+    },
+    {
+      "models": [
+        "3518",
+        "HI3515",
+        "Other",
+        "RTSP"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "tmpfs/auto.jpg"
+    },
+    {
+      "models": [
+        "Hi3507",
+        "HI3518E",
+        "HYV3804",
+        "Other",
+        "RTSP(TCP) DVR"
+      ],
+      "type": "VLC",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "[CHANNEL]"
+    },
+    {
+      "models": [
+        "Hi3507",
+        "HI3516C",
+        "HYV3804",
+        "Other"
+      ],
+      "type": "VLC",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "ch0_0.h264"
+    },
+    {
+      "models": [
+        "Hi3516c"
+      ],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 554,
+      "url": "/user=[USERNAME]&password=[PASSWORD]&channel=1&stream=0.sdp?"
+    },
+    {
+      "models": [
+        "Hi3516c"
+      ],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "/0"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "FFMPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "videostream.asf"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "VLC",
+      "protocol": "rtsp",
+      "port": 0,
+      "url": "cam/realmonitor?channel=[CHANNEL]&subtype=1"
+    },
+    {
+      "models": [
+        "Other"
+      ],
+      "type": "MJPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "videostream.cgi?user=[USERNAME]&pwd=[PASSWORD]&resolution=32&rate=0"
+    },
+    {
+      "models": [
+        "XZ-30I-AK/P"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "img/snapshot.cgi?size=2"
+    },
+    {
+      "models": [
+        "XZ-30I-AK/P"
+      ],
+      "type": "JPEG",
+      "protocol": "http",
+      "port": 0,
+      "url": "snapshot.cgi"
+    }
+  ]
+}