Download dataset cli

[oplatek]

Tested with

factgenie download -d easy-vqa
factgenie download -d quintd1-ice-hockey

Also added extension of factgenie list to see all available datasets to be downloaded

$ factgenie list downloadable
2024-11-13 09:18:59 INFO run.py:341 Application ready
easy-vqa - downloaded: True
logicnlg-100 - downloaded: True
quintd1-gsmarena - downloaded: True
quintd1-ice-hockey - downloaded: True
quintd1-openweather - downloaded: False
quintd1-owid - downloaded: False
quintd1-wikidata - downloaded: False
xsum-debug - downloaded: False