DayController.cs started implementation

Assets/Scripts/DayController.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Events;
+
+public class DayController : MonoBehaviour {
+    private int dayCount = 0;
+    private static UnityEvent newDayEvent;
+    
+    private void OnMouseDown() {
+        newDay();
+    }
+
+    void Start() {
+        newDayEvent ??= new UnityEvent();
+
+        newDayEvent.AddListener(newDay);
+    }
+
+    private void newDay() {
+        dayCount++;
+        newDayEvent?.Invoke();
+    }
+}