Create Toast Notification app

[SayanGuha04]

Is your feature request related to a problem? Please describe.
Create a toast notification app using HTML, CSS and JavaScript

Describe the solution you'd like
https://www.youtube.com/watch?v=mkNITfM1gm8&list=PLjwm_8O3suyOgDS_Z8AWbbq3zpCmR-WE9&index=9&pp=iAQB

[subhashree9898]

@Sbiswas001 please assign this issue to me