Ir Datasets Versions Save

• Adds version 2 of the MS MARCO document collection.
• Using mirror.ir-datsets.com as a fallback for some small files
• More examples in the documentation (the python API is now joined by the CLI and a PyTerrier example)
• Improved bibtex, including a master bib file that can be imported papers (e.g., in overleaf).
• Other minor improvements

New datasets:

• BEIR suite
• Cranfield
• CLIRMatrix
• DPR-W100
• NQ
• TREC DL Hard
• TREC News
• TripClick

Other:

• Download dashboard
• Improved documentation for non-downloadable datasets
• A beta "more pythonic API"
• Speeding up library load time
• Minor bug fixes, improvements, etc.

dataset migration bugfix

Now includes language codes for queries and docs