Add utils + refacto

Assets/Unheimlich_POC/Scripts/Gameplay/GameObjects/Player/PlayerMovement.cs

@@ -1,16 +1,12 @@
 using UnityEngine;
+using Unheimlich.Core;
 using Unheimlich.Managers;
 
 namespace Unheimlich.Gameplay.Player
 {
-    /// <summary>
-    /// Handles player movement, jumping, and gravity using CharacterController.
-    /// Provides movement state information for other systems like camera head bob.
-    /// </summary>
     [RequireComponent(typeof(CharacterController))]
-    public class PlayerMovement : MonoBehaviour
+    public class PlayerMovement : Singleton<PlayerMovement>
 {
-    public static PlayerMovement Instance { get; private set; }
 
     [Header("Settings")]
     [SerializeField] private float _moveSpeed = 5f; 
@@ -24,15 +20,8 @@ namespace Unheimlich.Gameplay.Player
     private float _ySpeed; 
     private Vector3 _moveDirection;
 
-    private void Awake()
+    protected override void OnAwake()
     {
-        if (Instance != null && Instance != this)
-        {
-            Destroy(this);
-            return;
-        }
-        Instance = this;
-
         CharacterController = GetComponent<CharacterController>(); 
     }