Profiling + Optimization + Documentation

[116davinder]

Ref:

• https://www.youtube.com/watch?v=m_a0fN48Alw
• https://jiffyclub.github.io/snakeviz/
• https://www.infoworld.com/article/3600993/9-fine-libraries-for-profiling-python-code.html
• Fail Fast: Move https://github.com/116davinder/apache-kafka-backup-and-restore/blob/master/cloud/minio.py#L180 to this location https://github.com/116davinder/apache-kafka-backup-and-restore/blob/master/cloud/minio.py#L145
• Create separate docs folder