started adding interaction system

scripts/interaction_area.gd

@@ -0,0 +1,19 @@
+extends Area3D
+
+signal interacted
+
+var player_entered: bool
+@onready var interaction_label: CanvasLayer = $InteractionLabel
+func _on_body_entered(body):
+	if body is Player:
+		player_entered = true
+		interaction_label.show()
+
+func _on_body_exited(body):
+	if body is Player:
+		player_entered = false
+		interaction_label.hide()
+
+func _input(event):
+	if player_entered && event.is_action_pressed("interact"):
+		interacted.emit()