Use buttons and choice, it will be redirected to the next scene.
Viewing post in Tuesday JS visual novel engine comments
You can see how The main menu is made in the sources of these games:
https://tuesday-street.itch.io/nude-camera
https://tuesday-street.itch.io/rock-paper-scissors
Step 12 of the tutorial describes how to make the main menu the default
https://kirilllive.github.io/tuesday-js/doc_editor.html#quick_tutorial