Linting
PHP, XLIFF, TypoScript, YAML, composer.json, TypeScript, JavaScript, Sass, CSS
to extension https://github.com/TYPO3-Documentation/tea (using github actions)
and it's clone on gitlab (using gitlab ci)
Please check list of resources from here: https://docs.google.com/spreadsheets/d/1CbOJ5WdHXNxJV7Xi2KcLsR2LEUmGv__sqaumeXFNizY/edit#gid=213091636