/**
 * @schema CreateUser
 * type: object
 * description: SUMMARY
 * x-schemaName: CreateUser
 * required:
 *   - email
 * properties:
 *   email:
 *     type: string
 *     title: email
 *     description: The user's email.
 *     format: email
 *   first_name:
 *     type: string
 *     title: first_name
 *     description: The user's first name.
 *   last_name:
 *     type: string
 *     title: last_name
 *     description: The user's last name.
 *   avatar_url:
 *     type: string
 *     title: avatar_url
 *     description: The user's avatar url.
 *   metadata:
 *     type: object
 *     description: The user's metadata.
 * 
*/