Add skill management system with unlocker and save functionality

project.godot

@@ -34,7 +34,6 @@ GUIDE="*res://addons/guide/guide.gd"
 
 window/size/viewport_width=640
 window/size/viewport_height=360
-window/size/initial_position=Vector2i(420, 0)
 window/size/window_width_override=1280
 window/size/window_height_override=720
 window/stretch/mode="viewport"
@@ -83,6 +82,11 @@ attack={
 , Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":1,"position":Vector2(416, 6),"global_position":Vector2(425, 50),"factor":1.0,"button_index":1,"canceled":false,"pressed":true,"double_click":false,"script":null)
 ]
 }
+unlock_skills={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194332,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
 
 [layer_names]