game: move ui stuff to own folder

scenes/main.tscn

@@ -3,7 +3,7 @@
 [ext_resource type="Script" uid="uid://brb4ssksmtq8k" path="res://scenes/main.gd" id="1_jyhfs"]
 [ext_resource type="PackedScene" uid="uid://4xha2nhf8fya" path="res://scenes/test_level.tscn" id="1_o5qli"]
 [ext_resource type="PackedScene" uid="uid://ca2so8fm3q8fe" path="res://scenes/player.tscn" id="2_0wfyh"]
-[ext_resource type="PackedScene" uid="uid://b18uib08hvdpq" path="res://scenes/managers/main_ui.tscn" id="3_sugp2"]
+[ext_resource type="PackedScene" uid="uid://b18uib08hvdpq" path="res://scenes/managers/ui/main_ui.tscn" id="3_sugp2"]
 [ext_resource type="PackedScene" uid="uid://dy73qrxcgrwg3" path="res://scenes/managers/enemy_manager.tscn" id="5_tbgi4"]
 
 [node name="Main" type="Node2D"]

scenes/managers/ui/main_ui.tscn

@@ -1,9 +1,9 @@
 [gd_scene load_steps=5 format=3 uid="uid://b18uib08hvdpq"]
 
-[ext_resource type="Script" uid="uid://dcxc70fvu7kl2" path="res://scenes/managers/main_ui.gd" id="1_3a826"]
-[ext_resource type="Script" uid="uid://sjnxf0hj3egp" path="res://scenes/managers/pause_ui.gd" id="1_lke1m"]
-[ext_resource type="Script" uid="uid://dbq74tvxtpfjc" path="res://scenes/managers/player_ui.gd" id="3_gaipe"]
-[ext_resource type="Script" uid="uid://d2o6tqnqg2o25" path="res://scenes/managers/debug_ui.gd" id="4_217l8"]
+[ext_resource type="Script" uid="uid://dcxc70fvu7kl2" path="res://scenes/managers/ui/main_ui.gd" id="1_3a826"]
+[ext_resource type="Script" uid="uid://sjnxf0hj3egp" path="res://scenes/managers/ui/pause_ui.gd" id="1_lke1m"]
+[ext_resource type="Script" uid="uid://dbq74tvxtpfjc" path="res://scenes/managers/ui/player_ui.gd" id="3_gaipe"]
+[ext_resource type="Script" uid="uid://d2o6tqnqg2o25" path="res://scenes/managers/ui/debug_ui.gd" id="4_217l8"]
 
 [node name="MainUI" type="Control"]
 layout_mode = 3