Update v9.4.1: Enhanced Playback & Device Management

- Incremented version to 9.4.1 (versionCode: 94100)
- Added keep screen on functionality during video playback
- Implemented device deletion in dashboard with confirmation
- Enhanced device management with delete capability
- Improved user experience during media playback
- Better device lifecycle management in dashboard
- Added confirmation dialog for device deletion

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "com.streamplayer"
         minSdk 21
         targetSdk 33
-        versionCode 94000
-        versionName "9.4.0"
+        versionCode 94100
+        versionName "9.4.1"
         buildConfigField "String", "DEVICE_REGISTRY_URL", '"http://194.163.191.200:4000"'
     }