ProcessList native resource

[anmenaga]

PR Summary

Cross-platform native DSCv3 resource that returns running processes for the current user.
This resource will be used in testing Export functionality, so it is pretty limited at this point.

PR Context

Example on Windows:

C:\DSCv3\bin\debug\process.exe list
{"pid":29016,"name":"Microsoft.SharePoint.exe","cmdline":"\"C:\\Program Files\\Microsoft OneDrive\\23.174.0820.0001\\Microsoft.SharePoint.exe\""}
{"pid":7332,"name":"smartscreen.exe","cmdline":"C:\\Windows\\System32\\smartscreen.exe -Embedding"}
{"pid":27660,"name":"Notepad.exe","cmdline":"\"C:\\Program Files\\WindowsApps\\Microsoft.WindowsNotepad_11.2306.15.0_x64__8wekyb3d8bbwe\\Notepad\\Notepad.exe\" "}
{"pid":10192,"name":"process.exe","cmdline":"\"C:\\DSCv3\\bin\\debug\\process.exe\" list"}
...

Example on Linux:

PS /home/andrew/DSC-3> /home/andrew/DSC-3/bin/debug/process list
{"pid":55140,"name":"pulseaudio","cmdline":"/usr/bin/pulseaudio --daemonize=no --log-target=journal"}
{"pid":55192,"name":"gvfsd-fuse","cmdline":"/usr/libexec/gvfsd-fuse /run/user/1000/gvfs -f -o big_writes"}
{"pid":55320,"name":"gvfsd-metadata","cmdline":"/usr/libexec/gvfsd-metadata"}
{"pid":55341,"name":"pwsh","cmdline":"./PS734/pwsh"}
{"pid":69967,"name":"process","cmdline":"/home/andrew/DSC-3/bin/debug/process list"}
...

[SteveL-MSFT]

make it pedantic clean and fix manifest

[SteveL-MSFT]

@anmenaga in the future, you'll need to submit PRs from a fork rather than a branch from this repo