Right-click context menu, allowHeadless docs

[zadjii-msft]

This will probably not work till #676 is merged

[learn-build-service-prod[bot]]

Learn Build status updates of commit 2ae02fc:

:warning: Validation status: warnings

File	Status	Preview URL	Details
TerminalDocs/customize-settings/profile-advanced.md	:warning:Warning	View	Details
TerminalDocs/customize-settings/startup.md	:white_check_mark:Succeeded	View

TerminalDocs/customize-settings/profile-advanced.md

• Line 203, Column 6: [Warning: file-not-found - See documentation] Invalid file link: '../tutorials/shell-integration.md'.

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