Add new skills: Double Jump, Ground Pound, Brick Armor, and Brick Shield; implement skill removal signal in SkillManager (#11)

resources/skills/xray_vision.tres

@@ -0,0 +1,34 @@
+[gd_resource type="Resource" script_class="SkillData" load_steps=6 format=3 uid="uid://c5dj06l86winx"]
+
+[ext_resource type="PackedScene" uid="uid://dtxkjif7prm70" path="res://objects/player_skills/x_ray_vision_skill_component.tscn" id="1_ax2d8"]
+[ext_resource type="Script" uid="uid://d4crrfmbgxnqf" path="res://scripts/Resources/SkillData.cs" id="1_g8qe3"]
+[ext_resource type="Script" uid="uid://dwb0e05pewcsn" path="res://scripts/Resources/SkillUpgrade.cs" id="2_o726x"]
+
+[sub_resource type="Resource" id="Resource_72ltj"]
+script = ExtResource("2_o726x")
+Cost = 200
+Description = ""
+Properties = Dictionary[String, Variant]({
+"duration": 5.0
+})
+metadata/_custom_type_script = "uid://dwb0e05pewcsn"
+
+[sub_resource type="Resource" id="Resource_2kdfi"]
+script = ExtResource("2_o726x")
+Cost = 275
+Description = ""
+Properties = Dictionary[String, Variant]({
+"duration": 10.0
+})
+metadata/_custom_type_script = "uid://dwb0e05pewcsn"
+
+[resource]
+script = ExtResource("1_g8qe3")
+Name = "XRAY_VISION"
+Description = "XRAY_VISION_DESCRIPTION"
+IsActive = false
+Level = 1
+Type = 1
+Node = ExtResource("1_ax2d8")
+Upgrades = [SubResource("Resource_72ltj"), SubResource("Resource_2kdfi")]
+metadata/_custom_type_script = "uid://d4crrfmbgxnqf"