feat: update to nice ui.

fix: rename project from youtube-code-hike-demo to codehike-playground

fix: better ux.

fix: subtle errors.

snapshot.

fix: error handling.

feat: integrate tanstack query.

feat: make everything work together.

feat: add a modal.

feat: add codehike functionality.

feat: migrate to tanstack start.

feat: add shadnc. And projects route.

fix: make tsconfig paths work.

init.