gd: added input addon

guide_examples/top_down_shooter/bolt/bolt.gd

@@ -0,0 +1,10 @@
+extends Sprite2D
+
+@export var speed:float = 500
+@export var lifetime:float = 1.0
+
+func _process(delta: float) -> void:
+	position += transform.x * delta * speed
+	lifetime -= delta
+	if lifetime <= 0:
+		queue_free()