Feature/install and uninstall update

[alexandre-slp]

Add uninstall steps to Ubuntu OS

What is this PR about?

• Update Alpine image
• Moved specific logic of each OS to it's correct place
• Added uninstall instructions for Ubuntu OS
• Always returning status as int
• Refactored supported OS versions logic

Risks

None

How to test?

1. install
2. uninstall

Only merge this code AFTER it's stable in production