[clang-tools-extra] [clang-tidy] Add portability-avoid-platform-specific-fundamental-types (PR #146970)

[Julian Schmidt via cfe-commits]

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@@ -0,0 +1,227 @@
+.. title:: clang-tidy - portability-avoid-platform-specific-fundamental-types
+
+portability-avoid-platform-specific-fundamental-types
+=====================================================
+
+Finds fundamental types (e.g. `int`, `float`) and recommends using typedefs 
+or fixed-width types instead to improve portability across different platforms.
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5chmidti wrote:

please remove the `instead`

https://github.com/llvm/llvm-project/pull/146970