Add display Article?id=xxx component

[kasdihacene]

• This issue is dedicated to display article :

• As a user when I click on the article on home page

• I will be redirected to page article with id=xxx

• I will be able to see the content of the file

• Click on the article and user will be redirected to /article?id=xxx

• A request will be sent to backend to fetch the article with id=xxx (fetchArticle(xxx) service)

• If article found dev will display the content

• Else ouups! article not found text will be displayed