Add missing newline at end of file

But actually I just need something I can trigger deployment
on the test server with ;-)

README.md

@@ -144,3 +144,4 @@ Will put it into a mode where it will look for updates to files that it has load
 This way, you don't need to restart the game every time you make a change, you simply need to make a new unit of the type, spawn a new projectile or do whatever it is you're doing.
 
 It's not perfect; some changes will require a full game restart, and certain changes can cause crashes. But it's a lot better than reloading the game for every change, every time.
+