add option to the CLI which allows to make a copy of spaces which contain assets, asset folders and the stories

[Slackman2015]

The feature would affect: (check one with "x")

• [ ] app.storyblok.com (CMS - Interface)
• [ ] api.storyblok.com (CMS - Content Delivery API)
• [ ] mapi.storyblok.com (CMS - Management API)
• [ ] capi.storyblok.com (Commerce - API)
• [ ] Commerce - Interface
• [x] CLI

Is your feature request related to a problem? Please describe. Currently it is possible to make a copy of the stories using the "Duplicate a space" option or by copying parts by using the CLI https://github.com/storyblok/storyblok/#sync . These options don't include the assets + asset folders, for some users important parts of the space configuration like languages, webhooks etc

Describe the solution you'd like It would be extremely helpful to have an option which allows to create a space copy which contains the parts mentioned before.