* refactor: add clang style check for samples * fix: add .clang-format for ie * fix: style check for missing headers * refactor: remove cpplint for IE samples * fix: setw is not a member of std for classification_results.hpp * feat: add indent after ifdefine * feat: set up google style for IE samples * fix indents for w_dirent headers * fix: include issues for utils.cpp due to clang-format