Added an out-of-proc Win32 service. (#71)
* Added an out-of-proc Win32 service.
* Fixed build
* downgraded to net5
* downgrade language version to 9.0
* Fixed build
* fixed build
* added win-86 to runtime identifiers
* shutdown win32 process when quitting DevToys
* try to fix arm build
* migrate back to .net 6, abandon arm32, use arm64
* updated CI
* updated CI
* updated shared project runtime identifier
