[clang-tools-extra] [Docs][clang-tools-extra] Convert maintainers list to .rst format (PR #165171)

[via cfe-commits]

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@@ -2,9 +2,13 @@
 Clang Tools Extra Maintainers
 =============================
 
-This file is a list of the maintainers
-(https://llvm.org/docs/DeveloperPolicy.html#maintainers) for clang-tools-extra.
+This file is a list of the 
+`maintainers <https://llvm.org/docs/DeveloperPolicy.html#maintainers>`_
+for clang-tools-extra.
----------------
EugeneZelenko wrote:

Highlight `clang-tools-extra`? Also `module`? `directory`? Other term?

https://github.com/llvm/llvm-project/pull/165171