[clang] [clang][CIR][doc] Add auto-generated ClangIR documentation (PR #190354)

[Sirui Mu via cfe-commits]

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@@ -94,6 +94,8 @@
 .. |ReleaseNotesTitle| replace:: {in_progress_title} Release Notes
 """
 
+suppress_warnings = ["misc.highlighting_failure"]
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Lancern wrote:

Reverted.

https://github.com/llvm/llvm-project/pull/190354