Broken link on Hashnode overview

## Description: link has no reaction when clicked.
Expected behavior: clicking on link would scroll to the ID.
Actual behavior: clicking on link had no reaction.

Instructions:

1. go to: https://support.hashnode.com/docs/
then click on the, “join writing challenges” link from “Create An Account” section.

2. the url path is https://support.hashnode.com/docs/#join-the-2articles1week-challenge, when clicked it looks like it should point to writing-challenges.

3. This ID is no longer being used on this page: (#join-the-2articles1week-challenge)