Add config for rancher-node-metal03

Related to sysadm-environment#5032

configs/rancher-node-metal03.yaml

+---
+VLAN_ID: 440
+IPADDRESS: 192.168.100.133
+NETMASK: 255.255.255.0
+GATEWAY: 192.168.100.1
+NAMESERVER: 192.168.100.29
+HOSTNAME: rancher-node-metal03
+DOMAINNAME: internal.softwareheritage.org
+DEPLOYMENT: production
+SUBNET: sesi_rocquencourt
+BOOT_DISK_ID_PATTERN: "*_Boot_Controller_*"
\ No newline at end of file