sounds like a good idea to me. changing to headings will add these to table of contents (ToC) auto-generated by e.g. GitHub ... and here as well.
I also thought it might be nice to have a (more) user friendly way to search the contents of areas.txt -> please see here(gets updated via GitLab CI/CD once per day at 6:05am UTC)
One might simply load the original 'raw' file but this is load intensive when using Web UI or requires downloading/cloning the repository.
Using the search function of one of the repo mirrors (GitHub, GitLab) hosts might be in general a nice pointer for new users as the search capability is not yet offered here at codeberg see here for progress on this topic.
The processed data is also available in JSON format to ease further integrations.