[Doc] Add instructions about running clang-tidy checks locally
[Doc] Add instructions about running clang-tidy checks locally

ghstack-source-id: 85b9943fac4962c600e076d72df44fb3e10c92b1
Pull Request resolved: https://github.com/taichi-dev/taichi/pull/6345
yuanming-hu/taichi,yuanming-hu/taichi,yuanming-hu/taichi,yuanming-hu/taichi