Added win condition for level 1 and added boss fight for level 5

Enemies/Projectiles/Glowing Blue Fireball.tscn

@@ -0,0 +1,40 @@
+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://Sprites/Assets/Light.png" type="Texture" id=1]
+[ext_resource path="res://Sprites/Enemies/Projectiles/Glowing_Blue_Fireball.png" type="Texture" id=2]
+[ext_resource path="res://Enemies/Projectiles/Glowing Blue Fireball.gd" type="Script" id=3]
+
+[sub_resource type="CircleShape2D" id=1]
+radius = 12.0
+
+[node name="Glowing Blue Fireball" type="Area2D" groups=["enemy_projectile_1"]]
+light_mask = 0
+scale = Vector2( 0.5, 0.5 )
+collision_layer = 0
+collision_mask = 2
+input_pickable = false
+monitoring = false
+script = ExtResource( 3 )
+
+[node name="Sprite" type="Sprite" parent="."]
+texture = ExtResource( 2 )
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+visible = false
+light_mask = 0
+shape = SubResource( 1 )
+
+[node name="Light" type="Light2D" parent="."]
+texture = ExtResource( 1 )
+texture_scale = 0.3
+color = Color( 0.211765, 0.964706, 0.984314, 1 )
+energy = 1.5
+range_item_cull_mask = 15
+shadow_item_cull_mask = 0
+
+[node name="Lifetime" type="Timer" parent="."]
+wait_time = 3.0
+one_shot = true
+autostart = true
+
+[connection signal="timeout" from="Lifetime" to="." method="_on_lifetime_timeout"]