Add cask info to Readme.md
Add lwrp resource for cask.
Add lwrp provider for cask.
COOK-3960: merge sergiopatino/master
make single quotes consistent
`brew brew list` => `brew cask list`
guard against NilClass for "HEAD only" formulae

See: https://github.com/Homebrew/homebrew-headonly
Replace deprecated "Formula.factory" with "Formula[]"

See: https://github.com/Homebrew/homebrew/issues/26930