Refactor recent gameplay systems after code review

GasBurnerBuildingDefinition.tres

@@ -1,6 +1,19 @@
-[gd_resource type="Resource" script_class="BuildingDefinition" load_steps=3 format=3]
+[gd_resource type="Resource" script_class="BuildingDefinition" load_steps=4 format=3]
 [ext_resource type="Script" path="res://BuildingDefinition.gd" id="1"]
 [ext_resource type="PackedScene" path="res://GasBurnerBuildingVisual.tscn" id="2"]
+[ext_resource type="Script" path="res://BuildingLogisticsProfile.gd" id="3"]
+
+[sub_resource type="Resource" id="Resource_logistics"]
+script = ExtResource("3")
+input_buffers = {
+"gas": 40
+}
+collected_outputs = PackedStringArray("energy")
+conversion_input = "gas"
+conversion_output = "energy"
+conversion_rate = 1.0
+conversion_yield = 2
+
 [resource]
 script = ExtResource("1")
 definition_id = "gas_burner"
@@ -11,6 +24,7 @@ action_icon = 33
 menu_icon = 33
 visual_scene = ExtResource("2")
 capabilities = PackedStringArray("gas_burner")
+logistics = SubResource("Resource_logistics")
 map_color = Color(0.95, 0.35, 0.15, 1)
 map_sides = 5
 map_radius = 7.0