Add utils + refacto

Assets/Unheimlich_POC/Scripts/UI/DialogueBlurEffectURP.cs

@@ -1,13 +1,13 @@
 using UnityEngine;
 using UnityEngine.Rendering;
 using UnityEngine.Rendering.Universal;
+using Unheimlich.Core;
 
 namespace Unheimlich.UI
 {
     [RequireComponent(typeof(Camera))]
-    public class DialogueBlurEffectURP : MonoBehaviour
+    public class DialogueBlurEffectURP : Singleton<DialogueBlurEffectURP>
 {
-    public static DialogueBlurEffectURP Instance { get; private set; }
 
     [Header("Volume Settings")]
     [SerializeField] private Volume _globalVolume;
@@ -43,15 +43,8 @@ namespace Unheimlich.UI
     private Camera _baseCam;
     private Camera _dialogueCam;
 
-    void Awake()
+    protected override void OnAwake()
     {
-        if (Instance != null && Instance != this)
-        {
-            Destroy(this);
-            return;
-        }
-        Instance = this;
-
         _baseCam = GetComponent<Camera>();
 
         if (_fadeCurve == null || _fadeCurve.keys.Length == 0)