[TODO] Implement a problem matcher for GHA #87
Description
Refs:
- https://github.com/actions/toolkit/blob/master/docs/problem-matchers.md
- https://github.com/actions/toolkit/blob/master/docs/commands.md#problem-matchers
- https://discuss.python.org/t/using-github-problem-matchers-to-catch-warnings-early/4254
- https://github.com/marketplace/actions/sphinx-problem-matcher
- https://github.com/marketplace/actions/sphinx-lint-problem-matcher
- https://github.com/marketplace/actions/codespell-problem-matcher