Updates to segregate configs by device class

Split cloud VMs out from local VMs in 'cloud' group
Generalize networkd install/config
Generalize sshd config
Create general update playbook
Add host vm-host-nextcloud

groups/cloud.yml

@@ -0,0 +1,12 @@
+---
+enable_gui: False
+
+enable_ssh: True
+
+enable_ssh_password_auth: False
+
+disable_sudo_password: True
+
+enable_networkd: True
+
+generate_keys: False