https://byns.dev/https://byns.dev/blog/https://byns.dev/courses/https://byns.dev/about/https://byns.dev/blog/interface-starts-with-states/https://byns.dev/blog/worker-is-not-a-magic-server/https://byns.dev/blog/before-first-deploy/https://byns.dev/courses/web-foundations/https://byns.dev/courses/react-interfaces/https://byns.dev/courses/workers-backend/