Block Editor - Copy and paste existing blocks

So, currently I think there is already a good basis for block creation and custom server settings. However, I think there can be be some work done on these, and I think a few additions of usability would really go a long way toward opening up their use. This is by no means a complete write-up on suggestions for improving the Block Editor. But all things must start somewhere.

Here's what I propose:

1. In the block editor, add a "copy" option when right clicking. This would be in...

Block Editor - Copy and paste existing blocks