Update README.MD

Author: EdoFro

README.MD

@@ -6,6 +6,14 @@ It is in "work in progress" state, but I loaded a first addOn version that shows
 
 Look under [Releases](https://github.com/EdoFro/Freeplane_Tutorial_AddOn/releases) in this repository.
 
+Instructions:
+1. Download the addon.mm file, open it in Freeplane and install it.
+2. Relaunch Freeplane
+3. go to menu Edo Tools/Tutorial-o-Matic and click on 'open Demo Map'
+4. go to menu Edo Tools/Tutorial-o-Matic and click on 'execute Demo Tutorial'
+
+enjoy the demo!
+
 Bye,
 
 edo