[clang-tools-extra] [clang-tidy][doc][NFC] extract common global options in doc (PR #119842)

[Nicolas van Kempen via cfe-commits]

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@@ -10,6 +10,7 @@ See also:
    :maxdepth: 1
 
    The list of clang-tidy checks <checks/list>
+   The list of clang-tidy global options <GlobalOptions>
    Clang-tidy IDE/Editor Integrations <Integrations>
    Getting Involved <Contributing>
    External Clang-Tidy Examples <ExternalClang-TidyExamples>
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nicovank wrote:

Just a drive-by comment, noticed this list sometimes uses clang-tidy, sometimes Clang-Tidy.

https://github.com/llvm/llvm-project/pull/119842