Block/Convert UTF-16 files

👓 What did you see?

Files encoding in UTF-16 do no appear in search results. Should we add a pre-commit hook to warn/convert these files before committing?

https://gitlab.developers.cam.ac.uk/search?search=Django&nav_source=navbar&project_id=11043&group_id=20493&search_code=true&repository_ref=main has no results,

✅ What did you expect to see?

to at least return https://gitlab.developers.cam.ac.uk/uis/devops/research/worktribe/kappa/-/blob/main/requirements.txt?ref_type=heads#L14

📚 Any additional information?

See Teams for more information any troubleshooting