hypha: more work on IPv6 support

shared/src/lib.rs

@@ -12,11 +12,17 @@ pub struct LaunchNetworkIpv6 {
     pub gateway: String,
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+pub struct LaunchNetworkResolver {
+    pub nameservers: Vec<String>,
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 pub struct LaunchNetwork {
     pub link: String,
     pub ipv4: LaunchNetworkIpv4,
-    pub ipv6: Option<LaunchNetworkIpv6>,
+    pub ipv6: LaunchNetworkIpv6,
+    pub resolver: LaunchNetworkResolver,
 }
 
 #[derive(Serialize, Deserialize, Debug)]