Add doc site and Discord invite after the startup banner.

OF DL/Program.cs

@@ -116,6 +116,8 @@ public class Program
 				.CreateLogger();
 
 			AnsiConsole.Write(new FigletText("Welcome to OF-DL").Color(Color.Red));
+             AnsiConsole.Markup("Documentation: [link]https://docs.ofdl.tools/[/]\n");
+             AnsiConsole.Markup("Discord server: [link]https://discord.com/invite/6bUW8EJ53j[/]\n\n");
 
             //Remove config.json and convert to config.conf
             if (File.Exists("config.json"))