support port-mapping feature from latest tsdns

image/overlay/usr/bin/tsdns

@@ -15,6 +15,9 @@ if docker container inspect "tsdns" ; then
 	 exit 0
 fi
 
+mkdir -p /etc/tsdns
+echo "_HOMELAB_ZONE_._HOMELAB_TLD_ 22 host.docker.internal 22" > /etc/tsdns/portmap
+
 docker run -e "TS_AUTHKEY=_TS_AUTHKEY_" \
 	 -e "HOMELAB_TLD=_HOMELAB_TLD_" \
 	 -e "HOMELAB_ZONE=_HOMELAB_ZONE_" \
@@ -22,9 +25,12 @@ docker run -e "TS_AUTHKEY=_TS_AUTHKEY_" \
 	 -e "TS_STATE_DIR=/tstate" \
 	 -e "ADVERTISE_ROUTE=_ADVERTISE_ROUTE_" \
 	 -e "TS_DEBUG_OMIT_LOCAL_ADDRS=true" \
+	 -e "PORT_MAP_FILE=/portmap" \
 	 --network "workspace" \
 	 -p 41641:41641/udp \
 	 -v "/data/tsdns:/tstate" \
+	 -v "/etc/tsdns/portmap:/portmap" \
+	 --add-host "host.docker.internal:host-gateway" \
 	 --restart unless-stopped \
 	 --name "tsdns" \
 	 ghcr.io/saltedfishclub/tsdns:latest