Add example

README.md

@@ -1,3 +1,14 @@
 # rshell
 
 Nothing to worry about.
+
+## rhsell.py
+
+To run the example execute the rshell skript.
+
+```bash
+$ python rshell.py
+```
+
+It will open a reverse shell on port 31337 on the local system. You can connect
+to it using `nc 0.0.0.0 31337`.