[skip_ci] new metadata lines added to 20.file 2021-01-20-lemma_bn.md
[skip_ci] new metadata lines added to 20.file 2021-01-20-lemma_bn.md

JohnSnowLabs/spark-nlp,JohnSnowLabs/spark-nlp,JohnSnowLabs/spark-nlp,JohnSnowLabs/spark-nlp