Add an "About us" page

[mariospapas]

Is your feature request related to a problem? Please describe.

As a user I'm expecting to see an about us page on website that I'm visiting in order to get an overview of the product/website

Describe the solution you'd like

An about us page with short description of the mission vision of the page. ("What it's the goal?")

Describe alternatives you've considered
N/A

Additional context
N/A