Add/container descriptions

[vsoch]

This will add support for containers to have descriptions to close #381. We add the description with the container metadata (a json field) so no additional migrations to the database are necessary. Specifically, on the container details page if a user is an owner and has edit permission, they see an input with an update button:

Otherwise they just see the description, verbatim:

And the description (before truncation by the table) is added to the collections table:

[xiaojinghu93]

Wow, @vsoch, thank you so much! This new feature is awesome! Now we can move all the detailed info into the description area and that's greatly helpful.

[vsoch]

@xiaojinghu93 I just updated to merge with main (no functionality changes just the CHANGELOG.md and VERSION file). Have you tested this locally and it is to your liking and ready to merge on successful tests again?

[vsoch]

No response, closing.