Added a dummy for when the laser target is being targeted (lasertarget_glow.png).

resources/graphics/TODO.txt

@@ -6,8 +6,9 @@ DONE	/weight_indicator/	weight scale indicator (arrow moving 180 degrees from le
 DONE	/numbered_stones/	symbol stones
 DONE	lasersource		lasersource
 DONE	lasertarget.png		lasertarget
+dummy	lasertarget_glow.png	lasertarget_glow (when it is being hit by a laser beam)
 DONE	/door/			gate
-				tiles with symbols for level 1 tasks.
+DONE	/numbered_stones/	tiles with symbols for level 1 tasks.
 				widen block03.png
 dummy	spacecraft.png		spaceship
 				elevating_platform