cleanup, folder restructure and ui restructure

scenes/ui/ui.gd

@@ -0,0 +1,22 @@
+extends CanvasLayer
+class_name UI
+
+@onready var monster_list: MarginContainer = %MonsterList
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func _on_ingame_controls_menu_button_clicked() -> void:
+	monster_list.visible = true
+
+# Updates the whole UI
+func _update_ui() -> void:
+	# Updating the monster list
+	monster_list._update_monster_list()
+	
+	print("UI updated")