🚧 Add insulator wall (#840)

* Stash insulator prototype

* Fix automatic wires when placing non-powernodes

* Implement requested changes

Stopping lightning has yet to be added.

* ❤️

* Implement lightning absorption

* Visually distinguish insulated power lines

* Stop lightning infront of wall

* Highlight insulators instead of recipients

* Attempt to implement requested changes

* Implement requested changes

* Remove spaces between if and (

* Snap lightning to insulated blocks

* Update bundle.properties

core/src/io/anuke/mindustry/graphics/Pal.java

@@ -75,6 +75,8 @@ public class Pal{
 
     surge = Color.valueOf("f3e979"),
 
+    plastanium = Color.valueOf("a1b46e"),
+
     redSpark = Color.valueOf("fbb97f"),
     orangeSpark = Color.valueOf("d2b29c"),