Basic AI

- If a power plant is present, the zone animates. Just like the original.
- Your budget also goes through the roof

This is just a proof-of-concept right now, and will likely crash your machine if you leave it on too long.

scripts/autoload/sim_data.gd

@@ -17,6 +17,9 @@ var current_power_cap: int
 var prev_power_cap: int
 var has_power: bool
 
+var res_tax: int = 5
+var res_income: int
+
 var ticker_files: Array = [
 	"adverts.json",
 	"sammy.json"