Add Catalan sentences from CoVoST2 (#2975)
Add Catalan sentences from CoVoST2 (#2975)

This PR sentences from Facebook CoVoST which were human translated from English to Catalan and are under CC0 license: https://github.com/facebookresearch/covost#covost-2

These sentences were downloaded and parsed (to be clean and unique) with script available here: https://github.com/jmontane/covost2-ca
common-voice/common-voice,common-voice/common-voice,common-voice/common-voice,common-voice/common-voice