Getting started - vm & lxc templates

List and import lxc templates:

```
pveam list
   78  pveam list nvm
   79  pveam list nvme
   80  pveam download nvme ubuntu-20.04-standard_20.04-1_amd64.tar.gz
   81  pveam download nvme ubuntu-22.04-standard_22.04-1_amd64.tar.zs
   82  pveam download nvme ubuntu-22.04-standard_22.04-1_amd64.tar.zst
   83  pveam download nvme debian-11-standard_11.7-1_amd64.tar.zs
   84  pveam download nvme debian-11-standard_11.7-1_amd64.tar.zst
 

```