DOCUMENTATION : README FILE EDIT

[ABHISIKTAcommits]

THE FILE DOESNT CONTAIN THE FOLLOWING FEATURES TO MAKE IT LOOK GOOD:

1. Adding the gssoc-ext label
2. LICENSE file is missing but it is mentioned inside README file.
3. Points for contributing
4. Acknowledgement
5. Section for supporting the project.

----please assign the project to me and add the official labels.