Add timer to spelling bee

Assets/Scripts/Timer.cs

@@ -0,0 +1,34 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+public class Timer : MonoBehaviour
+{
+    private float timerValue;
+    public Text timerText;
+
+    void Start()
+    {   
+        timerValue = 0.0f;
+        timerText = GetComponent<Text>();
+    }
+
+    void Update()
+    {
+        timerValue -= Time.deltaTime;
+
+        if (timerValue <= 0.0f)
+        {
+            timerValue = 0.0f;
+            // Handle end of timer
+        }
+
+        int minutes = Mathf.FloorToInt(timerValue / 60.0f);
+        int seconds = Mathf.FloorToInt(timerValue % 60.0f);
+
+        timerText.text = string.Format("{0:00}:{1:00}", minutes, seconds);
+    }
+
+    void addSeconds(int seconds) {
+        timerValue += (float) seconds;
+    }
+}