feat: add minimal PROD VM example

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

vm_v3_minimal/edge.tf

@@ -0,0 +1,35 @@
+# Create the perimeter gateway and its routed network inside the VDC.
+resource "nubes_vc_nsxt" "edge" {
+  # Name shown for this Edge service in the personal account.
+  resource_name = var.nsxt_resource_name
+
+  # Attach the gateway directly to a VDC, not to a VDC group.
+  vdc_type = "vdc"
+
+  # UUID of the VDC created above; this reference also orders creation.
+  vdc_uid = nubes_vc_vdc.vdc.id
+
+  # AVI/ALB is not needed for this standalone VM example.
+  need_enable_avi = false
+
+  # Only required when AVI/ALB is enabled; keep it null when ALB is disabled.
+  virtual_services_count = null
+
+  # Routed subnet and DNS servers assigned to VMs behind this Edge.
+  routed_net_configuration = {
+    # Non-overlapping /24 range for the routed network.
+    ip_addr_pool = var.nsxt_ip_addr_pool
+
+    # Primary DNS server configured in VMs.
+    main_dns = var.nsxt_main_dns
+
+    # Secondary DNS server configured in VMs.
+    second_dns = var.nsxt_second_dns
+  }
+
+  # Allow provider destroy handling to delete the Edge when dependencies permit.
+  keep_on_destroy = false
+
+  # Reuse an existing same-name Edge rather than failing during Create.
+  adopt_existing_on_create = true
+}