WIP: implemented registration and EULA accept, WIP on auth issue

JOBot.TClient/Infrastructure/Exceptions/FallbackException.cs

@@ -0,0 +1,17 @@
+using Telegram.Bot;
+using Telegram.Bot.Types;
+
+namespace JOBot.TClient.Infrastructure.Exceptions;
+
+/// <summary>
+/// Exception for fallback
+/// WARNING: Don't create new exception without throwing it
+/// </summary>
+public class FallbackException : Exception
+{
+    public FallbackException(string message, Message botMessage, ITelegramBotClient botClient) : base(message)
+    {
+        botClient.SendMessage(chatId: botMessage.Chat.Id,
+            TextResource.FallbackMessage);
+    }
+}