vboxmanage: update page; vboxmanage-{controlvm, extpack, list, showvminfo, startvm}: add page (#11667)

* vboxmanage: update page; vboxmanage-{controlvm, extpack, list, showvminfo, startvm}: add page

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

pages/common/vboxmanage-list.md

@@ -0,0 +1,36 @@
+# vboxmanage-list
+
+> List information about the Oracle VM VirtualBox software and associated service.
+> More information: <https://www.virtualbox.org/manual/ch08.html#vboxmanage-list>.
+
+- List all VirtualBox virtual machines:
+
+`VBoxManage list vms`
+
+- Show DHCP servers available on the host system:
+
+`VBoxManage list dhcpservers`
+
+- Show Oracle VM VirtualBox extension packs currently installed:
+
+`VBoxManage list extpacks`
+
+- Show all virtual machine groups:
+
+`VBoxManage list groups`
+
+- Show virtual disk settings that are currently in use by VirtualBox:
+
+`VBoxManage list hdds`
+
+- Show host-only network interfaces available on host system:
+
+`VBoxManage list hostonlyifs`
+
+- Show the list of currently running virtual machines:
+
+`VBoxManage list runningvms`
+
+- Show host system information:
+
+`VBoxManage list hostinfo`