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

tasks/networkd/config.yml

@@ -0,0 +1,22 @@
+---
+# The directory is deleted ahead of creation to ensure that no old configs
+# remain after runnign ansible
+- name: Delete networkd config directory
+  become: true
+  file:
+    path: /etc/systemd/network
+    state: absent
+
+- name: Create the networkd config directory
+  become: true
+  file:
+    path: /etc/systemd/network
+    state: directory
+
+- name: Make .network files
+  when: networking is defined
+  become: true
+  template:
+    src: network.j2
+    dest: "/etc/systemd/network/{{ item.key }}.network"
+  with_dict: "{{ networking }}"