Repository submission now has a review page before submission is complete

[ajrbyers]

• Moves the submission event call to repository_review.
• Displays metadata, author and file data on the review page for authors to check
• Includes a new setting for repository specific text
• Includes links back to previous workflow steps
• Updates the breadcrumbs
• Includes a new key/value pair layout element using definition lists
• Closes Summary page at end of preprint submission process #3478

This PR adds a template for displaying title or key and value pairs. This may be something we want to consider including in our component library with options for displaying titles in different places for emphasis. This simply includes the key/title above the value.

Metadata and complete sections:

Authors, files and supp files sections:

[ajrbyers]

@joemull rebasing got fudged so Mauro and I decided a clean branch with cherrypicked commits would be best for this one.

Last update: Removed errant closing paragraph tags.