add to todo comment

mods/crimson.js

@@ -1,4 +1,4 @@
-//TODO: crimtane, enemies
+//TODO: crimtane, enemies, crimsandstone, ichor
 //Not doing: spawning
 //Might not be possible: thorns (its breaking behavior would need a way for a pixel to detect when a pixel tryMove'd into its position)
 
@@ -259,4 +259,4 @@ elements.vicious_mushroom = {
 	burnTime: 65,
 	state: "solid",
 	density: 90.445,
-}
+}