Create an mRemoteNG container node.
New-MRNGContainer [<CommonParameters>]
mRemoteNG.Container.ContainerInfo
PS C:\>New-MRNGContainer -Name 'Test Container' -Parent $RootNode -Protocol SSH2
PS C:\>$Container = New-MRNGContainer -Name 'Test Container'
$RootContainer.AddChild( $Container )
$Container2 = New-MRNGContainer -Name 'Child Container'
$Container.AddChild( $Container2 )