Clang-Format uses uses a YAML config file format. Use YAML language by default for `.clang-format` and `_clang-format` filenames. ([source](https://clang.llvm.org/docs/ClangFormatStyleOptions.html)) Add `#yaml-language-server: $schema` to `.clang-format` example in C language docs. Release Notes: - Added support for identifying. `.clang-format` files as YAML by default