US - HowToUse-Page-refactor

[Nesssaaa]

Value proposition

As a user I want to know, how the app Schlaufuchs works, In order to use the app correctly

Description

Acceptance criteria

• [ ] By clicking on the button "wie funktioniert die App" at the Welcome Page you are navigated through explanation-pictures
• [ ] You are informed, how to use the app actually.
• [ ] you can leave this page at every step by clicking on "Ansicht verlassen und gleich loslegen"

  Tasks

• [ ] This functionality already works.
• [ ] In this US the explanation-pictures are updated due to recent changes on the app.
• [ ] New Screenshots are made and styled
• [ ] They are added to the already existing component HowToUse/ExplainPicturesArray.js