Add the readme file of the project

[Ishpreet01]

This project does not contain the readme file. It will help the users to understand more about the project and contribute to it in a better way.

[Ishpreet01]

@manojVivek please merge this pull request.

[sguestsmith]

Hi Responsively team, I believe the README is there, perhaps adding some context would greatly assist in knowing if you would like contributions to the website as well as the app? If not, completely understand.