git commit -m "Fix: corrected outdated documentation link in README.md"

[ruheena-shaik]

This commit fixes a broken documentation link in the README file. The old link (https://huggingface.co/docs/transformers/index) returned a 404 error. It is now updated to the correct URL: https://huggingface.co/docs/transformers.

What does this PR do?

Fixes # (issue)

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[Rocketknight1]

Both links work for me!