Eval Score

[ChakshuGautam]

• [x] 20 Questions on a PDF that we don't train for => 20 Answers; Compare that against our answers - Eval Document
• [ ] Improve tagging of Questions - @GautamR-Samagra
• [ ] Update the marking scheme to show 0.5 when it says it cannot answer a question - @aashutosh-samagra ; Answering wrongly is -1.
• [ ] API to compare responses - @GautamR-Samagra
• [ ] Add this to CI to see improvement on scores - @Amruth-Vamshi