refactor as vknet extension

Example/Program.cs

@@ -0,0 +1,58 @@
+using System;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using VkNet;
+using VkNet.Enums.Filters;
+using VkNet.Model;
+using VkNet.Model.RequestParams;
+using VkNet.NLog.Extensions.Logging;
+using VkNet.NLog.Extensions.Logging.Extensions;
+using VkNet.TokenMagic;
+
+namespace Example
+{
+    class Program
+    {
+        private static void Main(string[] args)
+        {
+            var services = new ServiceCollection();
+            services.AddVkTokenMagic();
+            services.AddSingleton<ILoggerFactory, LoggerFactory>();
+            services.AddSingleton(typeof(ILogger<>), typeof(Logger<>));
+            services.AddLogging(builder =>
+            {
+                builder.ClearProviders();
+                builder.SetMinimumLevel(LogLevel.Trace);
+                builder.AddNLog(new NLogProviderOptions
+                {
+                    CaptureMessageProperties = true,
+                    CaptureMessageTemplates = true
+                });
+            });
+            NLog.LogManager.LoadConfiguration("nlog.config");
+            
+            var vkNet = new VkApi(services);
+            vkNet.Authorize(new ApiAuthParams
+            {
+                Login = "LOGIN",
+                Password = "PASSWORD",
+                Settings = Settings.Audio
+
+            });
+
+            var audios = vkNet.Audio.Get(new AudioGetParams
+            {
+                Count = 10
+            });
+
+            foreach (var audio in audios)
+            {
+                Console.WriteLine($"{audio.Artist} - {audio.Title} {audio.Url}");
+            }
+            Console.ReadLine();
+            NLog.LogManager.Shutdown();
+        }
+    }
+
+    
+}