Moving samples/ out of the root into test/

Since samples/ is used for v2 testing, it fits better into the existing test/ structure.

test/samples/with_nested.yml

@@ -0,0 +1,13 @@
+- hosts: localhost
+  connection: local
+  gather_facts: no
+  vars:
+    users:
+    - foo
+    - bar
+    - bam
+  tasks:
+  - debug: msg="item.0={{ item[0] }} item.1={{ item[1] }}"
+    with_nested:
+    - users
+    - [ 'clientdb', 'employeedb', 'providerdb' ]