added quickstart instructions

README.md

@@ -9,3 +9,10 @@ Select a ssh config file which will be used to connect to a host via - you guess
 ```
 
 Sample structure of `start directory` can be found in `test`.
+
+## Quickstart
+```
+mkdir ~/.s3h
+touch root@example.org
+./s3h.sh
+```