All the pages in the /help/{about,getting started,..} can be added to the homepage

### Description

In the current home page there is only one page we can add all the /help pages in the homepage such that user can scroll through the website and can create a navbar such that when the user click on about the webpage directly scrolls to the /about page

#### Steps followed and expected result

Add the about,getting started,documentation in the home page and adding a scroll function to the homepage

#### Screenshots

If applicable, add screenshots to help explain your problem.

Start by tracing the current homepage and the /help/about, /help/getting started, and /help/documentation routes in the React UI. Done means those help pages are represented on the homepage and its navigation scrolls to the corresponding sections.

Written by the indexing model from the issue text.