Route to new upload endpoint
Route to new upload endpoint

asciinema/asciinema.org,asciinema/asciinema-server,asciinema/asciinema-server,asciinema/asciinema-server,asciinema/asciinema-server,asciinema/asciinema.org,asciinema/asciinema.org,asciinema/asciinema.org