Add information about using cloud infrastructure for website hosting on "Concept: Server Requirements"

What is the URL for that page?

The node id is in the issue title ;-) https://www.drupal.org/node/2827299 →

This page in the user guide talks a little about different possible hosting solutions https://www.drupal.org/docs/user_guide/en/install-decide.html → , at least for testing Drupal out. It doesn't say "cloud" specifically, but does point out that a lot of service providers provide one click installs for Drupal.