Is there a comprehensive reference list of all Solidity commands?
The Solidity In Depth section of the the Solidity docs is comprehensive.
There's also a reference-style cheat sheet, though it's a bit more limited in terms of content.
This cheat-sheet might help you get started on this. It also has a best practices and security guidelines which will also help you to write some good quality code.
YES! We've just shipped it here.
P.S. It covers Vyper too.
