[feature] add configuration traceDir support

[le-yams]

Hello,

Playwright traces are a very cool feature. Here is a small PR to support it :).

• adds the support for the traceDir option
• updates the example to show how to use it

Regards, Yann

[SabotageAndi]

Cool, I didn't know this feature of PlayWright!

Thanks for your contribution to SpecFlow. Please submit your contributions to our SpecFlow Community Heroes program at https://specflow.org/community/submit-a-contribution/