Add AnsiConsole.Write method

This commit also obsoletes the `AnsiConsole.Render` method.

Closes #576

examples/Cli/Demo/Utilities/SettingsDumper.cs

@@ -23,7 +23,7 @@ namespace Demo.Utilities
                     value ?? "[grey]null[/]");
             }
 
-            AnsiConsole.Render(table);
+            AnsiConsole.Write(table);
         }
     }
 }