v0.23.0

Changes

• release 0.23.0 (#336) @ArneBinder
• fix and improve token_based_document_to_text_based() (#335) @ArneBinder
• remove cuda from dependencies (#330) @ArneBinder

🚀 Features

• add document converters (#332) @ArneBinder
• implement token_based_document_to_text_based() (#334) @ArneBinder