added an example/test YAML inventory file

hosts.test.yml

@@ -0,0 +1,11 @@
+# @TODO use hosts and host groupings that refer or point to VM or containerized servers for testing
+ungrouped:
+  hosts: ~
+sukaato:
+  hosts: ~
+armitage:
+  hosts: ~
+vps:
+  children: ~
+homeserver:
+  children: ~