How to insert menu option in webpage

Answer 1

You could look at my code here.
https://code.sololearn.com/W16sY9vEuIk3/?ref=app

I don't know if your looking for this kind or sidebar. I've seen an example of that. Try seaching Q&A for a similar question.

Answer 2

Found it
https://code.sololearn.com/WsoA0dqf1tQS/?ref=app