rt1(z9 host): create host and configure networkd and nftables

inventories/z9/hosts.yaml

@@ -14,6 +14,9 @@ all:
     yate:
       ansible_host: yate.ccchh.net
       ansible_user: chaos
+    rt1:
+      ansible_host: rt1.ccchh.net
+      ansible_user: chaos
 certbot_hosts:
   hosts:
     dooris:
@@ -35,6 +38,7 @@ infrastructure_authorized_keys_hosts:
     light:
     waybackproxy:
     yate:
+    rt1:
 nginx_hosts:
   hosts:
     dooris:
@@ -46,6 +50,12 @@ ola_hosts:
 proxmox_vm_template_hosts:
   hosts:
     thinkcccore0:
+systemd_networkd_hosts:
+  hosts:
+    rt1:
+nftables_hosts:
+  hosts:
+    rt1:
 alloy_hosts:
   hosts:
     light:
@@ -59,3 +69,4 @@ ansible_pull_hosts:
     yate:
 secrets_hosts:
   hosts:
+    rt1: