feat: enhance localization for video management features

- Added new localization strings for video management, including terms for video testing, RTSP streams, and stream configuration in both English and Chinese JSON files.
- Improved internationalization support by expanding the vocabulary related to video monitoring and management.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/locales/en.json

@@ -71,5 +71,15 @@
   "WebRTC 流": "WebRTC Stream",
   "多视频监控": "Multi-Video Monitoring",
   "新建标签": "New Tab",
-  "Stream 管理": "Stream Management"
-}
+  "Stream 管理": "Stream Management",
+  "Video Test": "Video Test",
+  "直接 URL": "Direct URL",
+  "RTSP 流": "RTSP Stream",
+  "測试视频": "Test Video",
+  "M3U8/HLS": "M3U8/HLS",
+  "Stream": "Stream",
+  "Management": "Management",
+  "Video Management": "Video Management",
+  "Live Management": "Live Management",
+  "Stream Configuration": "Stream Configuration"
+}

src/locales/zh-cn.json

@@ -71,5 +71,15 @@
   "WebRTC 流": "WebRTC 流",
   "多视频监控": "多视频监控",
   "新建标签": "新建标签",
-  "Stream 管理": "Stream 管理"
-}
+  "Stream 管理": "Stream 管理",
+  "直接 URL": "直接 URL",
+  "RTSP 流": "RTSP 流",
+  "測试视频": "測试视频",
+  "M3U8/HLS": "M3U8/HLS",
+  "Stream": "Stream",
+  "Management": "Management",
+  "Video Management": "视频管理",
+  "Live Management": "直播管理",
+  "Stream Configuration": "Stream 配置",
+  "快速测试": "快速测试"
+}