message: docs: create an app, node version update
diff: @@ -14,7 +14,7 @@ need to run Backstage in your own environment.
  To create a Backstage app, you will need to have
  [Node.js](https://nodejs.org/en/download/) Active LTS Release installed
  -(currently v12).
  +(currently v14).
  Backstage provides a utility for creating new apps. It guides you through the
  initial setup of selecting the name of the app and a database for the backend.
  