Readme: Add information about the current status

Readme.md

@@ -1,3 +1,7 @@
+**NOTE!** This script is currently incompatible with the current OpenRA & OpenRA/ra2 releases --- 14th April 2018
+
+------------------
+
 Welcoming you to Texas...
 
 Receiving thoughts...
@@ -380,4 +384,4 @@ Other:
 - [OpenRA Resource Center](http://resource.openra.net/)
 - [OpenRA Mod Database (ModDB) site](http://www.moddb.com/games/openra)
 - [OpenRA Wiki page](https://github.com/OpenRA/OpenRA/wiki)
-- [OpenRA Red Alert 2 Wiki page](https://github.com/OpenRA/ra2/wiki)
+- [OpenRA Red Alert 2 Wiki page](https://github.com/OpenRA/ra2/wiki)