Add Azure deployment examples and enhance configuration management

- Update .gitignore to exclude Terraform files
- Enhance README with Azure deployment instructions
- Refactor publish.sh to use a container for changelog parsing
- Add Azure example files including Terraform configurations
- Create cloud-init templates for PKI and default configurations
- Implement workload VM setup for testing routing

.gitignore

@@ -7,3 +7,7 @@ CLAUDE.md
 __pycache__
 .vscode
 tmp
+.terraform*
+*.tfstate
+*.tfstate.*
+*.auto.tfvars