Add example role to base other roles on

roles/example/meta/argument_specs.yaml

@@ -0,0 +1,13 @@
+---
+argument_specs:
+  main:
+    short_description: Example role.
+    description:
+      - This role is just an example.
+      - It pings the host, if example_ping is set to true.
+    options:
+      example_ping:
+        description: This role does nothing, unless this is set to true
+        type: bool
+        required: false
+        default: false