Clean up Wiki warnings in workflow

[Dr-Electron]

Describe the bug

I'm currently working on some fixes for the wiki, but let me write everything done in an issue so that we don't forget anything.
Currently the workflow reports:

• Missing Imports
  • Those are from the IOTA reference (which wrongly gets interpreted as React component) and missing imports in the partially imported md files
• Broken links
  • Mainly reference links. Maybe because of missing extensions?
• Duplicate route(s)

To Reproduce

Build the wiki section with
yarn build:production:<environment>

Expected behavior

No warnings or errors in the log

Additional context
Add any other context about the problem here.

[Dr-Electron]

We should also enable breaking docusaurus build on broken links again. This was disabled for the old wiki but with the new wiki it should be enabled again otherwise the test workflow is basically useless