Adding more models

[Aman Singh]

I would like to add SVC and SGDClassifier to this project.
@Femme-js I'm participating in DWOC. It would be great if you assign this issue to me.
Thank you.

[JEEVANSHI SHARMA]

Sure! you can work on this.

[Rishabh Chaurasia]

I too have added SVC in my PR. Pls review and let me know.