Add relevant tool highlighting feature

README.md

@@ -8,9 +8,15 @@ Helpful overlays for the Giant's Foundry minigame
 - Shows number of actions required to move to the next stage
 - Shows number of actions before gaining/losing too much heat
 - Shows best moulds to use
+- Highlights relevant tool with status colors
+    * Red = Wrong temperature
+    * Green = Right temperature
+    * Orange = one action or temperature change remaining
+    * Cyan = Click tool again for bonus progress
 
 
 ## Contributors
 
 - [Patrick](https://github.com/pwatts6060 "Patrick's github")
     * Best moulds interface feature
+    * Highlight relevant tools with status colors