a compact function with many functionalities!
- name - user name.
- id - user ID.
- tag - user Tag.
- discrim - user discriminator.
- mention - user mention.
- avatar - user avatar URL.
- isbot - user is a bot, returns true/false.
- banner - return the user banner, undefined is returned if not found (user must be cached)
- created - user account date and time of creation.
- timestamp - creation timestamp of user account.