add all files

Scripts/IndicatorLight.gd

@@ -0,0 +1,22 @@
+extends Control
+
+@export var on: bool = false
+
+func _ready() -> void:
+	$Green.visible = self.on
+
+func turn_on() -> void:
+	self.on = true
+	$Green.visible = self.on
+
+func turn_off() -> void:
+	self.on = false
+	$Green.visible = self.on
+
+func toggle() -> void:
+	self.on = !self.on
+	$Green.visible = self.on
+
+func set_state(value: bool) -> void:
+	self.on = value
+	$Green.visible = self.on