Run docs check on all files in /docs

[ansermino]

Requires #5099

Summary of changes

#5091 introduced an issue that was not caught because the check did not run.

Changes introduced in this pull request:

• Run docs check PR for all files in /docs
• Updates @docusaurus/tsconfig to working version

Reference issue to close (if applicable)

Closes

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.