Remove storage box init from base_platform

prune and forget only current instance id or server

Added documentation
Added some default variables in base server role

load average values

Easier to test or just use some configuration tasks

Monit was not able to send email for ubuntu 20.0.4

When other parameters are added to the end of the file,
these parameters are not restricted to the sftp group

Needed for ubuntu 20.04

Deprecated other environments