Public another website in a folder

Hi guys,
I would like to publish another website in a folder like: .
The question is: if I do that will my website deleted or what can happens? And if I can publish it then how can delete it if I want to??

Thank you for your feedback

That works fine. We use it for our website, the top level of and say the documentation are two separate project files.

Thank you so much
So I can publish it without problems, good