Good practice by Nextcloud: App [Deck](https://github.com/nextcloud/deck) with guidelines in README.md with links to further resources: [How to apply a license](https://github.com/nextcloud/server/blob/master/contribute/HowToApplyALicense.md), [more details](https://github.com/nextcloud/server/blob/master/CONTRIBUTING.md), and a [Developer Certificate of Origin](https://github.com/nextcloud/server/blob/master/contribute/developer-certificate-of-origin)
Good practice by Nextcloud: App Deck with guidelines in README.md with links to further resources: How to apply a license, more details, and a Developer Certificate of Origin