Webpage and Documentation Updates

[abhiramm7]

1. Remove references to benchmarking
2. Update the links to correspond to the documentation
3. Update code example and list of scenarios
4. Colors could be improved
5. Ensure docs page matches with the paper
6. Update css template of readthedocs file

[abhiramm7]

Add screen grab gif to readme and update the description.

[abhiramm7]

Update references in the documentation to include previous publication.

[abhiramm7]

Update performance metric reference in theta example to cumulative

[abhiramm7]

Add the performance metric equation to the scenario doc string. Think of numpy style.

[abhiramm7]

Add testing information

[abhiramm7]

addressed.