[Enhancement] Nav: System

[MalteKiefer]

Enhancement

I would like to propose a menu structure change:

System
├─ Info (Hardware-Info / FastCP Info)
├─ Network
├─ Package Management 
├─ Firewall

Menu	Description
System	System information, like kernel, ip, hostname etc
Info	the old hardware info page / add fastcp info
Network	network information / change hostname / change dns
Package Management	update system packages / install packages / remove packages
Firewall	edit firewall

[MalteKiefer]

Something like this: