`github.event.ref` is only there on certain events, but `github.ref` is
always there
### Change Type
- [x] `internal` — Any other changes that don't affect the published
package[^2]
This PR moves the tldraw.com app into the public repo.
### Change Type
- [x] `internal` — Any other changes that don't affect the published
package[^2]
---------
Co-authored-by: Dan Groshev <git@dgroshev.com>
Co-authored-by: alex <alex@dytry.ch>