Merge pull request #605 from kerin444/patch-1 Update for Ubuntu 22.04

Merge pull request #596 from thekaleidoscope/make-rtletsencrypt-idemp… …otent Update rtletsencrypt - add -f to make the ln command idempotent

Merge pull request #593 from arakasi72/develop Develop

Update rtinst 

Merge pull request #558 from ashura82/patch-1 Update rtletsencrypt

Update rtupdate - Typo 

Update rtletsencrypt to use snapd for certbot Solves Issue: #526. Snapd is the recommended way to install certbot and it is a service that manages and maintains your snaps. A snap is a bundle of an app and its dependencies that works without modification across Linux distributions.

Update rtinst - add '-y' to aptitude upgrade 

Use Aptitude to install packages 

Verify if PPA is available for current distribution Added checking to verify if current distribution (release name, ex. focal) has available PPA packages. If not, packages will be installed from Ubuntu Package archive. Solves Issue #518 and #522.