[Docs] Simple factory docs sample can not be compiled

[snechaev]

Describe the bug
Docs link: https://restsharp.dev/docs/usage/client#simple-factory
Src link:

RestSharp/docs/docs/usage/client.md

Line 59 in 777bf19

var client = new RestClient("https://api.twitter.com/2", true);

The code from the docs var client = new RestClient("https://api.twitter.com/2", true); can not be compiled because there is no appropriate constructor for this parameters set.

To Reproduce
Copy code from the docs (var client = new RestClient("https://api.twitter.com/2", true);), try to compile.

Expected behavior
The code compiles without errors.

Stack trace
No stack trace, build error.
Error CS1503 : Argument 2: cannot convert from "bool" to "RestSharp.ConfigureHeaders?".

Desktop (please complete the following information):

• OS: macos 14.6.1
• .NET version: net8
• Version 111.4.1

Additional context
There are several constructor overloads with the useClientFactory parameter, but I can't say for sure which is the best one to show as an example in the docs.