Added functionality to main menu

Assets/Scripts/UI/MainMenuController.cs

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+using System.IO;
+using Fruitomation.Game;
+using UnityEngine.UI;
+using UnityEngine;
+
+namespace Fruitomation.UI
+{
+    public class MainMenuController : MonoBehaviour
+    {
+        [Header("References")]
+        [SerializeField] private Button ResetButton;
+        [SerializeField] private Button PlayButton;
+
+        private void Awake()
+        {
+            PlayButton.onClick.AddListener(() =>
+            {
+                SceneController.StartLoadOf("GameScene");
+            });
+            
+            ResetButton.onClick.AddListener(() =>
+            {
+                File.WriteAllText(BuildingManager.Filepath, "");
+                UpgradeManager.ResetUpgrades();
+            });
+        }
+    }
+}

Assets/Scripts/UI/MainMenuController.cs.meta

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+fileFormatVersion: 2
+guid: 56dd683265dd7fc48b92d102c435e3da