refactor: Remove old Helm chart files and templates
feat: Add new Helm chart structure for neo-blog deployment
chore: Add .helmignore and initial Chart.yaml for Helm chart
feat: Implement backend and frontend deployment templates in Helm chart
feat: Create services and ingress configurations for backend and frontend
chore: Define resource limits and requests for backend and frontend in values.yaml
feat: Enable autoscaling configuration for backend and frontend deployments
chore: Clean up unused files and configurations from previous setup
