Add dynamic channel support for HiWatch cameras

- Added 5 new URL patterns with [CHANNEL] placeholder
- Supports channels 0-255 for multi-camera DVR/NVR systems
- Patterns include /Streaming/Channels/[CHANNEL]01, [CHANNEL]02
- ISAPI format support with dynamic channels
- All existing hardcoded patterns preserved for compatibility

data/brands/hiwatch.json

@@ -4,6 +4,41 @@
   "last_updated": "2025-10-17",
   "source": "ispyconnect.com",
   "entries": [
+    {
+      "models": ["ALL"],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 554,
+      "url": "/Streaming/Channels/[CHANNEL]01"
+    },
+    {
+      "models": ["ALL"],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 554,
+      "url": "/Streaming/Channels/[CHANNEL]02"
+    },
+    {
+      "models": ["ALL"],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 554,
+      "url": "/ISAPI/Streaming/Channels/[CHANNEL]01"
+    },
+    {
+      "models": ["ALL"],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 554,
+      "url": "/ISAPI/Streaming/Channels/[CHANNEL]02"
+    },
+    {
+      "models": ["ALL"],
+      "type": "FFMPEG",
+      "protocol": "rtsp",
+      "port": 554,
+      "url": "/Streaming/Channels/[CHANNEL]"
+    },
     {
       "models": [
         "040",