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

examples/azure/outputs.tf

@@ -0,0 +1,9 @@
+output "router_public_ip" {
+  description = "Public IP address of the router VM."
+  value       = azurerm_public_ip.ext.ip_address
+}
+
+output "router_internal_ip" {
+  description = "Private IP address of the router's internal NIC - the next hop to use in routes configured outside this Terraform run (another route table, or an on-prem device) that need to reach remote_cidrs through this router."
+  value       = azurerm_network_interface.int.private_ip_address
+}