Changed example group_vars file to have YAML key reflect example username 'admin'

playbooks/group_vars/servers/vault.yml.example

@@ -0,0 +1,7 @@
+---
+# @TODO encrypt as vault
+# @NOTE see https://docs.ansible.com/ansible/latest/reference_appendices/faq.html#how-do-i-generate-encrypted-passwords-for-the-user-module
+# Specifically, section for hashing using python passlib library
+vaulted_passwords:
+  admin:
+    password: ~