Full Release - Kubuntu 22.04

First full release!
Minor adjustments made to the formatting of messages, and an additional script has been added to install Firefox for other accounts after running the main script. Bear in mind that you need to run said script on each account individually, as it installs to the user's home folder.
Don't forget to backup your Firefox profile!

I've repeatedly tested on multiple Kubuntu beta versions over the last two months, had one instance of other users testing on their systems, and have tried today's Release Candidate version for 22.04. Bear in mind that there haven't been any reports on any long-term effects of this script, so be cautious.
Any feedback or bug reports are, as always, very much appreciated.