Updated power station to export current holding var. Allows us to start with charges

scenes/dev-akshay.tscn

@@ -124,6 +124,7 @@ transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 5.27448 )
 [node name="power_station" parent="." instance=ExtResource( 3 )]
 transform = Transform( 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 1, 0 )
 time_to_generate = 5.0
+current_holding = 1
 
 [node name="Ore_Conveyor_Room" type="Spatial" parent="."]
 transform = Transform( -0.672896, 0, -0.739737, 0, 1, 0, 0.739737, 0, -0.672896, 5.90626, 0, 6.27219 )