Feature/inline shortcodes

[nickmoreton]

Add Inline Shortcode Handling

Provide a full example of adding an inline shortcode to be processed and be available for editing inside the Draftail editor.

Ticket URL: https://projects.torchbox.com/projects/wordpress-to-wagtail-importer-package/tickets/67

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• Testing
  • [x] CI passes
  • [x] If necessary, tests are added for new or fixed behaviour
  • [x] These changes do not reduce test coverage
• Documentation.
  • [x] This PR adds or updates documentation

[nimasmi]

There are lots of unaddressed review comments here. Do you have any pending responses, @nickmoreton?

[nickmoreton]

Sorry Nick should be OK now.