Add sample Stele to overworld

Zennysoft.Game.Ma/tutorialstone.dialogue

@@ -0,0 +1,5 @@
+~ general
+Stele B: hey i'm just a regular Stele that's an example of placing one on the map.
+Stele B: just drag and drop me into a scene and then add a dialogue file with a '~general' dialogue section to the inspector of the scene file i was placed in.
+Stele B: you can also change the dialogue file without restarting the game and talk to me again to get the next text.
+=> END