Setup a yaml conf file with a list of ospo's
See if we can use a [format like this one](https://git.sr.ht/\~codegouvfr/codegouvfr-data/tree/main/item/fr-public-sector-ospo.yml) to list OSPOs:
* Our friends from the EU OSPO Network.
Also maybe rely on this list?
* https://github.com/flzara/awesome-opensource-pages
/cc @flzara
issue