If you’re interested in developing for visionOS, now is the time to dive in. Apple has released a new version of Xcode that supports visionOS.
The fastest way to get started is to convert an iPad app, which should be relatively easy. You need to be a developer, and Xcode is available at apple.com.
Apple has also released a bunch of Figma resources, not only for visionOS but also for macOS, iOS, and iPadOS.