Allow for core block Inspector Controls to be extended and removed
https://github.com/WordPress/gutenberg/issues/6023
How to Create a Gutenberg Block if You Know Nothing
https://rudrastyh.com/gutenberg/create-a-block.html
Creating Editable Gutenberg block if You Don’t Know JavaScript Deeply
https://rudrastyh.com/gutenberg/making-editable-gutenberg-block.html
How to Create Inspector Controls for a Custom Gutenberg Block
https://rudrastyh.com/gutenberg/inspector-controls.html
https://blocks.wp-a2z.org/block/