Adds a hyperlink to the author text.
$authorURLcannot work without
url- The link to set as the author hyperlink.
index- What embed the author url should belong to (Optional). Default is
1. (learn more)
$nomention $author[Click me to visit the BDFD website!] $authorURL[https://botdesignerdiscord.com]
(tap on the text to visit the URL)