docs(readme): add adapter (commitizen#972)

Co-authored-by: tal-rofe <tal@exlint.io>

README.md

@@ -279,6 +279,7 @@ We know that every project and build process has different requirements, so we'v
 - [cz-format-extension](https://github.com/tyankatsu0105/cz-format-extension)
 - [cz-emoji-conventional](https://www.npmjs.com/package/cz-emoji-conventional)
 - [cz-git](https://github.com/Zhengqbbb/cz-git)
+- [cz-vinyl](https://github.com/Exlint/cz-vinyl)
 
 To create an adapter, just fork one of these great adapters and modify it to suit your needs. We pass you an instance of [Inquirer.js](https://github.com/SBoudrias/Inquirer.js/), but you can capture input using whatever means necessary. Just call the `commit` callback with a string and we'll be happy. Publish it to npm, and you'll be all set!