Web2 username creation

Priority
P1
Description
Custom username in address metadata pushed to the frontend.
Developer
Flag for upcoming standup
Notes
Perhaps gasless airdrop of ENS later to long-time users. Need to push names one-time.
Related to Tasks (Related SMS PRD)
Related to Tasks (Related SMS PRD) 1
Related to Tasks (Related SMS PRD) 2
Related to Tasks (Related SMS PRD) 3
Related to Tasks (Related SMS PRD) 4
Status
Done
User Story
As a user, I want to have a custom off-chain username