- Add config/sit and other environment-specific config directories
- Refactor deploy.py to support CONFIG_PATH environment variable
- Enable automatic merging of config/*/*.yaml files
- Enhance run.sh with Pulumi/Ansible/Terraform initialization checks
- Add inventory.py to dynamically generate Ansible hosts
- Improve ec2_instance.py with modular instance creation
- Organize base.yaml, vpc.yaml and related config files"
