Set DPI awareness for Windows

Add a windows manifest to set the DPI awareness by default:
<https://docs.microsoft.com/en-us/windows/win32/hidpi/setting-the-default-dpi-awareness-for-a-process>

Refs #40 <https://github.com/Genymobile/scrcpy/issues/40>
Fixes #2865 <https://github.com/Genymobile/scrcpy/issues/2865>