refactor(structure/ansible.cfg): Changed folder structure with ansible.cfg

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

playbooks/test.yml

@@ -0,0 +1,9 @@
+---
+- hosts: db
+  gather_facts: yes
+  vars_files:
+    - secrets.yml
+  tasks:
+    - name: Print the database connection string
+      debug:
+        msg: "{{ k3s_db_connection_string }}"