Links to datasets added. (#6364)
Links to datasets added. (#6364)

* Links to datasets added.

I have added the links to the publicly available datasets to some publications, which mentioned webKnossos.

scalableminds/webknossos,scalableminds/webknossos,scalableminds/webknossos,scalableminds/webknossos,scalableminds/webknossos,scalableminds/webknossos