Specify a usage type / display preference for List view credential

[dmitrizagidulin]

So, currently, we're using renderMethod for displaying the Detail View of VCs.

Another common use case that's often requested is -- List View. (possibly both portrait and landscape).

(from @paulfdietrich)

[msporny]

Hey @paulfdietrich and @dmitrizagidulin we are trying to figure out if you'd like this resolved before we hand the work over to VCWG. Are you interested in joining a call to provide your thoughts on this? We think we have a good handle on what is being requested, but more information about the use case is always good before we jump into trying to solve for this.

At present, we think the starting set of "views" are going to be something along the lines of: card, list, and full