Adding a exception for invalid ServiceProviders #62

- adding an internal exception handler to catch InvalidOperationException and throw a new explicit one

TelegramBotBase/Exceptions/InvalidServiceProviderConfiguration.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace TelegramBotBase.Exceptions
+{
+    public sealed class InvalidServiceProviderConfiguration : Exception
+    {
+        public InvalidServiceProviderConfiguration(string message, Exception innerException) : base(message, innerException) { }
+
+    }
+}