Add Notification Component

[Manish Shekhawat]

[mankumar66]

@vinodloha @manishekhawat @ankurkakroo2
Hi,
Could you please provide the font-family to be used here.
Also, could you please review my initial commit corresponding to this feature: https://github.com/mankumar66/atomic-react-components/tree/feature/notification-component

Thanks and Regards,
Manisha

[Amit Bhardwaj]

@mankumar66 Please raise pr that needs to be reviewed