Feature to activate a website.

Selection must start with a button "Install" showing price. Then only, we show the message with the combo selection.

When we enter the domaine name, add a html5 regex rule in field to be sure the website domain name start with www.

Once we have enter the name of domain, we must update the example of DNS entry to use the value of domain into the example.

Fix error management if creation of cert or virtual host file fails

Show a waiting animation during the update.