[clang-tools-extra] Add clang-tidy check readability-math-missing-parentheses (PR #84481)

[Piotr Zegar via cfe-commits]

https://github.com/PiotrZSL requested changes to this pull request.

In short, manual code parsing is not allowed, for that e got AST already.
Sad thing is that you already wrote all those parsing functions, because this check can be implemented in 60 lines of code.

https://github.com/llvm/llvm-project/pull/84481