[clang-tools-extra] [clang-tidy][NFC] Add `.editorconfig` for `.rst` files (PR #167269)

[via cfe-commits]

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@@ -0,0 +1,8 @@
+[clang-tidy/checks/**/*.rst]
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = lf
+indent_style = space
+indent_size = 2
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zeyi2 wrote:

I'm not sure this is necessary. The clang-tidy docs currently mix single- ,double-, triple-space indentation. (mainly in `.. code-block::` and `.. option::`)

https://github.com/llvm/llvm-project/pull/167269