fix: tsdns startup creates multiple container

image/overlay/usr/bin/tsdns

@@ -11,6 +11,10 @@ fi
 
 HOSTNAME=$(cat /etc/hostname)
 
+if docker container inspect "tsdns" ; then
+	 exit 0
+fi
+
 docker run -e "TS_AUTHKEY=_TS_AUTHKEY_" \
 	 -e "HOMELAB_TLD=_HOMELAB_TLD_" \
 	 -e "HOMELAB_ZONE=_HOMELAB_ZONE_" \