Implementing other "Optimized Gradient Descent Variants"

[kwanit1142]

Is your feature request related to a problem? Please describe.
In addition to Gradient Descent Variants from Research Papers, other more advanced optimizers are present as well.

Describe the solution you'd like
https://ruder.io/optimizing-gradient-descent/ <----------(See this till more references will be uploaded)
https://www.kdnuggets.com/2019/06/gradient-descent-algorithms-cheat-sheet.html

Describe alternatives you've considered
Decide accordingly, whether to add classes in Optimizer.py or work on Optim Folder for this as well.
Explore accordingly, and simultaneously add resources here.