UseDebugDirective and RegisterWithDotnetSuggest

src/Tools/dotnet-format/Program.cs

@@ -23,7 +23,9 @@ static async Task<int> Main(string[] args)
             var parser = new CommandLineBuilder(new Command("dotnet-format", handler: CommandHandler.Create(typeof(Program).GetMethod(nameof(Run)))))
                 .UseParseDirective()
                 .UseHelp()
+                .UseDebugDirective()
                 .UseSuggestDirective()
+                .RegisterWithDotnetSuggest()
                 .UseParseErrorReporting()
                 .UseExceptionHandler()
                 .AddOption(new Option(new[] { "-w", "--workspace" }, Resources.The_solution_or_project_file_to_operate_on_If_a_file_is_not_specified_the_command_will_search_the_current_directory_for_one, new Argument<string>(() => null)))