Prepare for release

Assets/Scripts/LoadingMenu.cs

@@ -0,0 +1,45 @@
+using TMPro;
+using UnityEngine;
+using UnityEngine.Networking;
+using UnityEngine.SceneManagement;
+using UnityEngine.UI;
+
+public class LoadingMenu : MonoBehaviour
+{
+    public TMP_Text text;
+    public Button button;
+
+    void Awake() {
+        button.onClick.AddListener(() =>
+        {
+            Application.OpenURL("https://berrydash.lncvrt.xyz/download");
+        });
+    }
+
+    void Start()
+    {
+        CheckUpdate();
+    }
+
+    async void CheckUpdate()
+    {
+        using UnityWebRequest request = UnityWebRequest.Get("https://berrydash.lncvrt.xyz/database/canLoadClient.php");
+        request.SetRequestHeader("User-Agent", "BerryDashClient");
+        request.SetRequestHeader("ClientVersion", Application.version);
+        await request.SendWebRequest();
+        if (request.result != UnityWebRequest.Result.Success)
+        {
+            text.text = "Failed to check version";
+            return;
+        }
+        string response = request.downloadHandler.text;
+        if (response == "1")
+        {
+            await SceneManager.LoadSceneAsync("MainMenu");
+        } else
+        {
+            text.text = "Outdated client! Please update your client to play";
+            button.gameObject.SetActive(true);
+        }
+    }
+}