Implemented "Knowledge Distillation with Translation" and "Factorized Embeddings"

[VarunGumma]

Before submitting

• [*] Was this discussed/approved via a Github issue? (no need for typos, doc improvements)
• [*] Did you read the contributor guideline?
• [*] Did you make sure to update the docs?
• [*] Did you write any new necessary tests?

What does this PR do?

Implemented "Knowledge Distillation with Translation" and "Factorized Embeddings"

PR review

Anyone in the community is free to review the PR once the tests have passed. If we didn't discuss your PR in Github issues there's a high chance it will not be merged.

Did you have fun?

Make sure you had fun coding 🙃