Here are some main links that will help you get acquainted with Silverblue.
Fedora Silverblue docs: https://docs.fedoraproject.org/en-US/fedora-silverblue/
Fedora Silverblue where to contribute to the docs: https://pagure.io/fedora-docs/silverblue
Fedora Silverblue website: https://silverblue.fedoraproject.org/
Check out some of these and contribute if you feel like it and got some spare time, any contributions whether it’s typo fixes or code contributions are welcome. Thank you!