purple: update client to work with damus-api post express refactor (Daniel D’Aquino)

Damus Purple: Add npub authentication for account management API calls (Daniel D’Aquino)

Damus Purple initial Proof-of-Concept support (Daniel D’Aquino)

Fix crash on very large notes (Daniel D’Aquino)

pushed to damus:refs/heads/master

http://git.jb55.com/damus/commit/39b6dfb47e0aacdb0b2dfa77d203c5a07eea337c.html