Add Home page - Githubissues

Value proposition

As a user I want to have a start page To get welcomed and to navigate clearly through my app

Home

[x] Needs to have the name of the app as a highlight
[x] Short description of what the app is about
[x] A Link that navigates to the exercise List
Tasks
[x] Create a new branch called feature/home
[x] Create a new file in pages called home.js
[x] Create a styled Component for the Link component in the components folder
[x] Create a styled Component for h1 in the components folder
[x] Create a styled Component for h2 in the components folder
[x] Create a new Component in home.js that returns the styled-components of h1, h2 and the Link that navigates to the exercise page
[x] Style the page as shown in the description while using global styling