feat: enhance Ansible playbook with swap file management

- Update inventory to use root user with SSH options for security
- Add tasks for creating, configuring, and enabling a swap file
- Set swappiness parameter temporarily and permanently
- Ensure swap file is added to /etc/fstab for automatic mounting
- Include checks and debug information for swap status

infra/ansible/inventory.ini

@@ -1,5 +1,5 @@
 [new_server]
-127.0.0.1 ansible_user=deploy
+127.0.0.1 ansible_user=root ansible_ssh_common_args='-o StrictHostKeyChecking=no'
 
 [all:vars]
 ansible_python_interpreter=/usr/bin/python3