Update cloudinit.yaml

vms/cloudinit.yaml

 #cloud-config
-apt_upgrade: true
 ssh_pwauth: 1
+apt_upgrade: true
+package_reboot_if_required: true
 packages:
   - zsh
   - curl
@@ -18,6 +19,7 @@ runcmd:
   - touch /root/.zshrc
   - touch /home/viazero/.zshrc
 users:
+  - default
   - name: viazero
     primary_group: viazero
     groups:
@@ -26,3 +28,8 @@ users:
     shell: /bin/zsh
     sudo: ALL=(ALL) NOPASSWD:ALL
     passwd: $6$guerande$DRCPGRYGGDUkgmgKVRivCIVfFX7oqQTAJ9Y1AosRgHoCe6BMpnMsCgANvc5DbOdogmwSyaYZ1F5O7ItK.GqlE.
+  - name: ubuntu
+    primary_group: ubuntu
+    groups:
+      - users
+