* fix: linter and spacing for is_graph_bipartite.
* updating DIRECTORY.md
* clang-tidy fixes for a49ec9b8d79e62be49587043cf482a9f705e3ed1
* use clang-12
* downgrade to clang11
* added clang-format confiug file
* added explicit clang-format step in workflow
* fix git command
* commit format and lint together
lint first and then format
* corrected order
* Revert "Merge branch 'is_graph_bipartite' into fix_clang"
This reverts commit d4d406017502cc745a9a77b4d462dc7a4aea6522, reversing
changes made to 2ccc3a364e4a6491e62ad836a237eb1603ddef6a.
Co-authored-by: Filip Hlásek <fhlasek@gmail.com>
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
