In the web-app when browsing a release, the release message can be the release name and provide very little information, because the only message kept is the one stored in git.
On Github the release page has a detailed description that should be kept with the release.
"body" element in :
- have it directly in the release object
- create a release_metadata table for all the stuff found with the release including assets or links to assets
- put in ERMDS on the release SWHID