Added new Scrolls and new Theories

Added a Theory for circles, cones, triangles and 2D points. Also added a scroll to calculate circles, the area of circles, the angle between a circle and a line, to transform a circle line angle to a normal angle, the volume of a cone, the volume of a truncated cone and the volume of a cylinder

situation-space.md

@@ -14,9 +14,9 @@ theory SituationSpace =
 	// Player starts with SituationTheory1 below that includes this root situation theory,
 	   providing access to scrolls that are available by default ❙
 	theory Root =
-		include ☞http://mathhub.info/FrameIT/frameworld?OppositeLen ❙
-		include ☞http://mathhub.info/FrameIT/frameworld?AngleSum ❙
-		include ☞http://mathhub.info/FrameIT/frameworld?Midpoint ❙
+		include ?OppositeLen ❙
+		include ?AngleSum ❙
+		include ?Midpoint ❙
 	❚
 	
 	// Player starts with this situation theory. ❙