* Flash console window on input request
* Use BELL character instead of Beep, fix flash struct, add support for minimizing and flashing with Windows Terminal
* cross-platform minimization, use alert char instead of number, fix struct again
* remove console window
* formatting
* use MainWindowHandle if it's set (fix flashing winterm if ASF is launched in conhost)
* fix build
* remove support for flashing winterm
- Make use of new UnixFileMode, always one native method we need to maintain less
- Add madness support for it, because new feature of course
- Add optional netstandard target and required compatibility for it, so I can test netf-oriented changes easier
