Add audio effect and implement FireScan bullet behavior

- Added Rip.wav audio effect to the project.
- Created FireScan bullet script with speed and damage properties.
- Implemented basic AI movement for FireScan bullets.
- Introduced Wave class for managing enemy waves with dynamic counts and spawning logic.

components/Bullets/FireScan.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=4 format=3 uid="uid://db2cbgyyjpydp"]
+
+[ext_resource type="PackedScene" uid="uid://crtdkysmnkith" path="res://components/Abstracts/BulletBase.tscn" id="1_cqre5"]
+[ext_resource type="Script" path="res://scripts/Contents/Bullets/FireScan.gd" id="2_qprdp"]
+
+[sub_resource type="SegmentShape2D" id="SegmentShape2D_omahd"]
+a = Vector2(0, -10)
+
+[node name="FireScan" instance=ExtResource("1_cqre5")]
+script = ExtResource("2_qprdp")
+lifeDistance = 200.0
+
+[node name="hitbox" parent="." index="1"]
+shape = SubResource("SegmentShape2D_omahd")