* add hilander model implementation draft
* use focal loss
* fix
* change data root
* add necessary scripts
* update download links
* update
* update example table
* fix
* update readme with numbers
* add empty folder
* only eval at the end
* set up hilander
* inform results may fluctuate
* address comments
Co-authored-by: sneakerkg <xiaotj1990327@gmail.com>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-19-212.us-east-2.compute.internal>