Add makedeb/MPR package

[hifinerd]

Please fill out the following:

• Description: I would like to see a SwayFX package on the MPR to allow for easier installation on Debian-based systems.

[hifinerd]

Update, I've put a package on the MPR myself. I'll make a separate issue to ask for it to be officially sanctioned. https://mpr.makedeb.org/packages/swayfx