fix(api): check if user exists before hashing password on registration

feat(api): reimpl user registration

feat(shared): a few database and argon errors

fix(api): skip user model password field

fix(api): avoid duplicate user details at the db level

fix(api): NewUser -> InsertableUser

chore(api): argon2 dep, uuid dep absolute fuckery

chore(api): add email_address dep for validating emails

fix(shared): fix error/api visibility

feat(shared): serialize APIError

feat(api): user model

feat(shared): impl most previous api errors

Signed-off-by: Jonni Liljamo <jonni@liljamo.com>

chore(api): chrono and uuid deps

feat(api): reimpl /api/info

chore(api): serde dep, tidy deps

feat(client): connect to server (temporarily hard coded url)

feat(server): add init system for listening

feat(server): the very basics of the server

feat(shared): setup server protocol configuration

chore(server): add needed beby deps