add template boolean value to hypervisor.proxmox_orchestrator.vm_list.sh
The following json should print the template boolean field :
{"vm_id":111,"vm_name":"deployer-test-admin-dev-kit","vm_status":"running","vm_uptime":3139675}
{"vm_id":74245,"vm_name":"TEST-ANSIBLE-7","vm_status":"stopped","vm_uptime":0}
....
Then, add the proxmox-templates.list.to.jsons.sh utils