Overhaul reuse structure from role to task orientation

The overall config this will end up with is going to be nowhere
near complicated enough to require the segmented structure of roles.
A single directory of reusable tasks and resources will be much better

tasks/networkd/configure.yml

@@ -0,0 +1,24 @@
+---
+- name: Configure networking via systemd
+  become: true
+  when: omni_networking is defined
+  block:
+    - name: Create the networkd config directory
+      file:
+        path: /etc/systemd/network
+        state: directory
+        mode: 0755
+
+    - name: Make network files
+      template:
+        src: networkd/network.j2
+        dest: "/etc/systemd/network/{{ item.key }}.network"
+        mode: 0644
+      loop: "{{ omni_networking | dict2items }}"
+
+    - name: Make netdev files
+      template:
+        src: networkd/netdev.j2
+        dest: "/etc/systemd/network/{{ item.0.key + '.' + item.1 }}.netdev"
+        mode: 0644
+      loop: "{{ omni_networking | dict2items | subelements('value.vlans', true) }}"