conforms file names to consistant standard

levels/level_1/wave1.tres

@@ -0,0 +1,19 @@
+[gd_resource type="Resource" script_class="WaveConfig" format=3 uid="uid://cygfdfqhk2vhw"]
+
+[ext_resource type="Script" uid="uid://3grc2j4bjrnw" path="res://enemy_group.gd" id="1_wj13r"]
+[ext_resource type="Script" uid="uid://bp6q371iypd06" path="res://scripts/wave_config.gd" id="2_tihwe"]
+[ext_resource type="Resource" uid="uid://8eba45hql7bo" path="res://enemies/eye_dog/ene_eye_dog.tres" id="2_ywnes"]
+
+[sub_resource type="Resource" id="Resource_1qdvn"]
+script = ExtResource("1_wj13r")
+enemy = ExtResource("2_ywnes")
+count = 5
+metadata/_custom_type_script = "uid://3grc2j4bjrnw"
+
+[resource]
+script = ExtResource("2_tihwe")
+enemy_groups = Dictionary[ExtResource("1_wj13r"), int]({
+SubResource("Resource_1qdvn"): 1
+})
+rewards_blank_cassette = true
+metadata/_custom_type_script = "uid://bp6q371iypd06"