List snapshots also in CSV format

Although JSON is a good format for parsing in languages such as Python it gets too complex for shell parsing. The CSV format is way better for that.

added Feature label

requested review from @mhrusecky

assigned to @mhrusecky

mentioned in merge request diagnostics!35 (merged)

I have no objection to csv part, I just don't like the streaming part as it adds a third potentially incompatible in the future call to tar to maintain. As during the time we spoke about it, I started working on it as well and have another implementation I propose that in !36 (closed)

Superseeded by !36 (closed)

closed