Link to next-intl is missing in Collaborator Guide

[trivikr]

Describe the bug

Link to next-intl is missing in Collaborator Guide

Steps to reproduce

View Technologies used in the Website section of the Collaborator Guide

Observed behavior

Link to next-intl is missing

Expected behavior

next-intl is clickable with respective link

Screenshots

Details

Additional context

Possibly missed in commit f32ce23

[mahmudhmh]

I fixed this at #6426
added also some fixes to broken links I saw at the collaborator guide