Update launchpad-start to add cr on Sigterm error

When this error occurs, its hard to spot if its munged against a previous log item

docker/pharo/launchpad-start

@@ -10,7 +10,7 @@ fi
 termination_handler() {
   exit_status=0
   if [ $pid -ne 0 ]; then
-    echo 'SIGTERM received, shutting down the application'
+    echo '\nSIGTERM received, shutting down the application'
     echo "SHUTDOWN" | nc localhost $LAUNCHPAD__COMMAND_SERVER_PORT
     wait "$pid"
     exit_status=$?