feat: Add a visual timer prefab (V.1.0)

Assets/Prefabs/Timer.prefab

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Assets/Scripts/Timer/Timer.cs

@@ -0,0 +1,19 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using TMPro;
+
+public class Timer : MonoBehaviour
+{
+    [SerializeField] TextMeshProUGUI timerText;
+
+    float elapsedTime;
+
+    void Update()
+    {
+        elapsedTime += Time.deltaTime;
+        int minutes = (int)elapsedTime / 60;
+        int seconds = (int)elapsedTime % 60;
+        timerText.text = minutes.ToString("00") + ":" + seconds.ToString("00");
+    }
+}