HOw do I enable this feature?
You add the following hashtag to your URL: #help
This starts the help menu on startup.
There are even more hashtags available. Maybe there is some more of interest for you:
Thank you for this guys.
By the way guys, how and where do I add these hashtags? Is it inside the editor?
Please check this example
If you want to add more than one you can combine them this way:
Thank you for answering!