doc: add how to run application in QEMU on Windows

Documentation does not describe how to run QEMU on Windows.
Add description of steps needed to run QEMU and use QEMU
with Twister on Windows in Beyond the Getting Started
Guide. Add a reference to it in Aplication Development
section.
Tested using Windows 11 and QEMU installer from
https://qemu.weilnetz.de/w64/



Signed-off-by: Michal Smola <michal.smola@nxp.com>