Ongoing baseline establishment work

Create provision playbook with modular platform-interop framework
Implement first version of update-system playbook
Implement var organization
Implement basic structure of inventory file

vars/network.yml

@@ -0,0 +1,8 @@
+---
+domain: net.enp.one
+
+router:
+  address: router.tre2.local
+  static:
+    server: DOMAIN
+    subnet: 10.42.101.0/24