Added first setup of level-based system

Level2/wave6.tres

@@ -0,0 +1,18 @@
+[gd_resource type="Resource" script_class="WaveConfig" format=3 uid="uid://11e6ak5jg2pn"]
+
+[ext_resource type="Script" uid="uid://cbwxa2a4hfcy4" path="res://Scripts/Resources/enemy.gd" id="1_n1yiu"]
+[ext_resource type="Script" uid="uid://bp6q371iypd06" path="res://Scripts/wave_config.gd" id="2_f752f"]
+[ext_resource type="Resource" uid="uid://8eba45hql7bo" path="res://Enemies/EyeDog/eye_dog.tres" id="3_uomax"]
+[ext_resource type="Resource" uid="uid://dxi17xvdlhkvc" path="res://Enemies/ElderEyeDog/elder_eye_dog.tres" id="4_mu3r3"]
+[ext_resource type="Resource" uid="uid://bffhb5krs5elm" path="res://Enemies/Crystalisk/crystalisk.tres" id="4_wrrsl"]
+
+[resource]
+script = ExtResource("2_f752f")
+enemies = Dictionary[ExtResource("1_n1yiu"), int]({
+ExtResource("3_uomax"): 6,
+ExtResource("4_mu3r3"): 3,
+ExtResource("4_wrrsl"): 8
+})
+new_shop = true
+bonus_cash = 3
+metadata/_custom_type_script = "uid://bp6q371iypd06"