Add Code_of_Conduct.md , Contributing.md , Issue Guidelines and Enhance Readme.md

[aasthakourav20]

What's missing int this repository !!

Including a README file, a Code of Conduct, and a Contributing file in your repository is essential for fostering a collaborative, organized, and respectful project environment. As these files plays an important role in user/contributor convenience and maintains
project respectful .

Hey @jaibhedia , Kindly assign this issue to me under GSSoC'24