[Docs] Structure the README.md file to reflect all the examples in the repo

[iam-veeramalla]

Looking for a contribution from the community to structure the repository README.md file so that it describes all the examples in the repository for someone who looks into the repo for the first time.

Acceptance Criteria:
Improvement to the docs.

[chiragbiradar]

Hey @iam-veeramalla I want to do it can you assign it to me?

[bunny568]

https://stackoverflow.com/questions/48957195/how-to-fix-docker-got-permission-denied-issue

Please go through it, if the docker is failed to pull the image