appendix: add zuul networks (#813)

Signed-off-by: Christian Berendt <[email protected]>

Author: berendt

docs/appendix/networks.md

@@ -4,6 +4,8 @@ sidebar_label: Networks
 
 # Networks
 
+## IPv4
+
 | Parameter                          | CIDR                |
 |:-----------------------------------|:--------------------|
 | `cephclient_network`               | `172.31.100.0/28`   |
@@ -23,4 +25,12 @@ sidebar_label: Networks
 | `scaphandre_network`               | `172.31.101.160/28` |
 | `metering_network`                 | `172.31.101.176/28` |
 | `thanos_sidecar_network`           | `172.31.101.192/28` |
+| `zuul_network`                     | `172.31.102.0/28`   |
+| `zuul_internal_network`            | `172.31.102.16/28`  |
 | `traefik_external_network_cidr`    | `172.31.254.0/24`   |
+
+## IPv6
+
+| Parameter                          | CIDR                |
+|:-----------------------------------|:--------------------|
+| `zuul_network_v6`                  | `2001:db8:2::/64`   |