Added 12 model cards for Indian Language Models
# What does this PR do?
This PR adds model cards for 12 language models which have been uploaded to the model hub recently over [here](https://huggingface.co/neuralspace-reverie). These cover 3 Indian languages and for each language there are 4 model variants namely: BERT, DistilBERT, RoBERTa and XLM-R.

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Wow, so cool! Thanks for your contribution.