Add how to access Windows Ink hidden menu

[gonX]

Where you can set barrel button behavior etc:

[gonX]

@Kuuuube can you detail how you access this? I didn't consider to add that when I made the issue, apparently 🙈

[Kuuuube]

Typically it's in some control panel setting hidden away. Sometimes it straight up isn't there. I usually tell users to run this command since it opens the window directly, no need for navigating the maze:

"C:\WINDOWS\system32\rundll32.exe" shell32.dll,Control_RunDLL TabletPC.cpl @0,pen