Added some cool LuckPerms commands

- /setrank
- /setprefix
- /createrank

Modified help menu
Deleted sub-commands (/ref help, /ref alert, etc.)

Quick sub-update for v1.3.2:

- Fixed a bug where the download link doesn't do anything
- Modified the update message

Hello! This is RefSkript v1.3.2.
Not many changes, but there were some changes made to the auto-update feature.

- Modified version command
- Modified auto-update
- Made other changes to the design

Thanks!

Biggest update for the skript.
New auto-update system, and some command changes!