Mica material needed for UnoPlatform apps

[DmitryBorodiy]

Hello, Uno Platform team! Why don't you implement Mica(WinUI) material in the Uno Platform?

https://docs.microsoft.com/en-us/windows/apps/design/style/mica

• [ + ] iOS
• [ + ] Android
• [ + ] WebAssembly
• [ + ] macOS
• [ + ] Skia
  • [ + ] WPF
  • [ + ] GTK (Linux)
  • [ + ] Tizen
• [ + ] Windows
• [ + ] Solution Templates

Thank you!