Feature/better os detection (#2165)
Feature/better os detection (#2165)

* Improve detection of correct package manager

Use the new function os_is_like to detect Fedora based systems and Debian derivatives.

* Update manual install instructions

Manual install instructions were quite outdated and does not match the
actual needed packages.

* Update colors.

Green for detected OSes, Yellow if OS was not detected. Blue is kept for
package highlighting list of packages needed.

forslund/mycroft-core,Dark5ide/mycroft-core,forslund/mycroft-core,MycroftAI/mycroft-core,Dark5ide/mycroft-core,MycroftAI/mycroft-core