Add better Benchmarkings to better verify the quality improvements  #8

A few benchmarks to have -

1. https://github.com/tgxs002/HPSv2
2. https://venturebeat.com/ai/googles-deepmind-creates-gecko-a-rigorous-new-standard-for-testing-ai-image-generators/

These are what I find particularly interesting in terms of how they benchmark and should be added