.yml -> .yaml

roles/example/meta/argument_specs.yaml

@@ -0,0 +1,11 @@
+---
+argument_specs:
+  main:
+    description: "Sets up a hello world podman container. This role can be used as a template for other roles using the container role."
+    options:
+      example_domains:
+        description: A list of domains the container should listen on
+        type: list
+        required: false
+        default: []
+        elements: str