Migration to 2.0

- Renamed car group to vehicle group in all languages
- Added spidertrons to vehicle group

data.lua

@@ -1,2 +1,16 @@
---data.lua
-require("prototypes.signals")
+-- data.lua
+
+data:extend({
+	{
+		type = "virtual-signal",
+  		name = "ammo-icon-red",
+  		icon = "__Gun_Turret_Alerts__/graphics/ammo-icon-red.png",
+  		icon_size = 64,
+	},
+	{
+		type = "virtual-signal",
+  		name = "ammo-icon-yellow",
+  		icon = "__Gun_Turret_Alerts__/graphics/ammo-icon-yellow.png",
+  		icon_size = 64,
+	}
+})