How can i use Multi Web projects with one repository?

Hi guys!

I have a 2 web projects and 1 repositorY, the two projects uses the same repository(repo 1).

  • Repo 1
    • Web proj 1
    • Web proj 2

How can i make a multi project, working on this ideia? Should i use “root project” and “sub projects”? When i need to use the single proj? Because in sub projects dont have the “webapp” folder…

Please, someone help me.