text: -- Your SQL goes here
  CREATE TABLE users (
    id SERIAL PRIMARY KEY,
    name TEXT NOT NULL UNIQUE,
    passhash VARCHAR(122) NOT NULL, --argon hash
    created_at TIMESTAMPTZ NOT NULL
  );
  CREATE TABLE sessions (
    token VARCHAR(32) NOT NULL PRIMARY KEY,
    user_id INTEGER NOT NULL,
    created_at TIMESTAMPTZ NOT NULL,
    last_accessed_at TIMESTAMPTZ NOT NULL,
    accessed_by_client_ip TEXT
  )
  