added skitter model and added rendered icons for every enemy

Enemies/ElderEyeDog/ene_elder_eye_dog.tres

@@ -0,0 +1,21 @@
+[gd_resource type="Resource" script_class="Enemy" format=3 uid="uid://dxi17xvdlhkvc"]
+
+[ext_resource type="Texture2D" uid="uid://e7lahg40lq8a" path="res://Assets/Textures/dead_eye_dog_heavy.png" id="1_fqks5"]
+[ext_resource type="Texture2D" uid="uid://h5svpdvo6tcd" path="res://Enemies/ElderEyeDog/icon_elder_eye_dog.png" id="2_7h6ly"]
+[ext_resource type="PackedScene" uid="uid://dl3rwqwbgrq2m" path="res://Enemies/ElderEyeDog/scn_elder_eye_dog.tscn" id="3_01b8q"]
+[ext_resource type="Script" uid="uid://cbwxa2a4hfcy4" path="res://Scripts/Resources/enemy.gd" id="4_egbcr"]
+
+[resource]
+script = ExtResource("4_egbcr")
+title = "ENEMY_HEAVY_WALKER"
+description = "ENEMY_DESC_HEAVY_WALKER"
+target_type = 1
+icon = ExtResource("2_7h6ly")
+scene = ExtResource("3_01b8q")
+death_sprite = ExtResource("1_fqks5")
+spawn_power = 8
+group_size = 4
+health = 150
+penalty = 15
+movement_speed = 1.4
+spawn_cooldown = 2.0