Babylon Js Editor: Saving, Reloading and Workflow Lifecycle

@the-simian done! :slight_smile:

@ julien-moreau伟大的贡献者
sorry!
I have a very urgent question, I want to consult, I have seen your editor, for the editor of the document UI, is how to make, secondly, double-click it will open a official website document page, how to achieve this