Offer a way to start with empty post or with the demo content

[mtias]

Right now, by default, we load our demo content when you access Gutenberg. We should figure out how to start a new post with an empty page. Some ideas:

• querystring argument new=true to avoid loading demo content or opposite (qs for loading demo).
• adding a button to load demo content, or a submenu in the sidebar for Gutenberg for starting fresh.

[youknowriad]

Or maybe use a site option to load the demo only the first time we access gutenberg

[mtias]

I think accessing the demo at any time is invaluable for developing (and user testing), so I think we should always keep it at hand.

[youknowriad]

In this case, maybe we should do both:

• Use a site option to show the demo for new users only once
• Have a querystring argument to force the demo

[jasmussen]

I like the query string, as I can just bookmark or for testing.

[mtias]

Well, if we use qs we can just add two sub-menus: