Improve local style checking #3691
Description
Plan is to move all style checking to yarn check-style so users can check before committing. This is missing:
- 1. Link checking
- 2. Frontmatter check
- 3. Dangling pages
(2) and (3) can be implemented as scripts - we can maintain the current implementations as well which are Docusauraus hooks.
Link checking is more complex as we have relative paths and .md imports. When we move clickhouse repo docs to clickhouse-docs we can move to url links making it fast to check. However, settings are autogenerated and will be absent - potentially causing them to be missing. We could check this setting files in though.