Update README.md (#10551)

* Update README.md

Updating README.md with the installation approach. Also, formatted text for consistency.

* Updated tensorflow/models/README.md

Added markdown code to hide details. User need to clic the triangle symbol to see the details.
This makes the page look better

* Update README.md

Vishnuvardhan Janapati committed 4y ago

99f15f32fda80615df3ada763fe8c71294d262aa

Parent: e396718

Committed by GitHub <noreply@github.com> on 3/23/2022, 8:23:27 PM