feat(schema, shared, api): move all types to shared, separate schema
 * schema is now stored in a separate crate to avoid dependency cycles
 * added note in README.md about handling unwraps

feat(api): impl models action, gamedata, game

docs: small doc updates

chore(api): add actix-session dep

chore(api): format Cargo.toml

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

chore(api): add email_address dep for validating emails

chore(api): chrono and uuid deps

chore(api): serde dep, tidy deps

feat(api, client, server): add shared as dependency to all

feat(api): init diesel and db

feat(api): init new api

chore: update licenses

feat: add shared, server, api