Add docs for --x-cmake-debug and --x-cmake-configure-debug

[Neumann-A]

Tool PR: microsoft/vcpkg-tool#1173

[prmerger-automator]

@Neumann-A : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit 2ba21a8:

✅ Validation status: passed

File	Status	Preview URL	Details
vcpkg/commands/install.md	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[BillyONeal]

Uhhhh great minds think alike I guess. 🤣

I like the detail explained in this one but I like the links to CMake's documentation in mine....

[Neumann-A]

I like the detail explained in this one but I like the links to CMake's documentation in

Just take what you need from this PR into the other PR. I was thinking of linking CMake docs but was simply too lazy to actually lookup the correct links.