🎨 - /cryptopunks - sort by most recent

[nazariyv]

Sort the results by the most recent punk transaction.

NOT by the punk number (current implementation).

[Monte9]

I'd like to work on this! Could you assign this issue to me, please?

[Monte9]

or not. Looks like @eenagy already submitted a PR for this.

I'll look at some other issue to work on!