Initialize infrastructure maintenance scripts with Ansible playbooks

Add Ansible-based maintenance scripts for infrastructure operations:
- CVE scanner using NIST NVD database
- Package update checker with OpenAI risk assessment
- Docker cleanup playbook
- Log archiver for rotated logs
- Disk space analyzer

Supports Ubuntu 20.04/22.04/24.04, Debian 11/12/13, and Alpine Linux

.gitignore

@@ -0,0 +1,13 @@
+*.retry
+/tmp/
+*.pyc
+__pycache__/
+.ansible/
+*.log
+*.swp
+*.swo
+*~
+.DS_Store
+.env
+secrets.yml
+vault.yml