mention windows arm64 support

README.md

@@ -9,7 +9,7 @@ Prebuilt example can be download from artifacts of [github actions](https://gith
 project is create with `flutter create -t plugin --platforms=linux,macos,windows,android,ios -i objc -a java fvp`
 
 ## Features
-- All platforms: Windows(including win7), Linux arm64 and x64, macOS, iOS, Android.
+- All platforms: Windows x64(including win7) and arm64, Linux x64 and arm64, macOS, iOS, Android.
 - You can choose official implementation or this plugin's
 - Optimal render api: d3d11 for windows, metal for macOS/iOS, OpenGL for Linux and Android(Impeller support)
 - Hardware decoders are enabled by default