Fewer: block-based boilerplate

[MaggieCabrera]

This is about as far as we can get with Fewer without making changes to Gutenberg. Here's a list of some of the changes we need to land in Core to progress this:

• Add space between navigation items Navigation block: Item spacing WordPress/gutenberg#27132
• Add "show N items" in the navigation block and hide the rest behind a ... Navigation block: Hide more than N items WordPress/gutenberg#27131
• Navigation block should add new pages automatically - Navigation Block: Dynamic menus WordPress/gutenberg#27130
• Add css columns to the paragraph block Paragraph: Add CSS columns WordPress/gutenberg#27118
• Add an Query Title block - Covering All Features of Template Tags in Full Site Editing (FSE) WordPress/gutenberg#22724
• Navigation block needs a mobile version Navigation Block: Create Block Variant for a "Fullscreen" navigation menu WordPress/gutenberg#24604
• Add a copyright block Add Block: Copyright WordPress/gutenberg#18895
• Turn off text-decoration on Site Title Site Title: Text decoration WordPress/gutenberg#27114
• Remove the margin under columns Add gutter, margin, and padding controls to the columns block WordPress/gutenberg#24874
• Add buttons to Global Styles Button Block: Add to Global Styles WordPress/gutenberg#27122
• Link hover colors: Navigation Block: Add support for a dynamic home URL WordPress/gutenberg#20542 Block Based Themes: Dynamic values in static HTML theme files WordPress/gutenberg#20966
• Turn off margins around figures: FSE: CSS Reset WordPress/gutenberg#27116
• Post comments require comments.php The post comments block displays a deprecated notice for comments.php WordPress/gutenberg#22101
• Add next and prev page links: Pagination block WordPress/gutenberg#26557