Add Some Preview Screenshots

[justankiit]

Add Some Existing Preview ScreenShot Pictures of this Projects, to understand the project by a newbie in Readme file

[github-actions]

Hi 😄, @kumarankit999 Thanks for creating an issue at FunwithPhysics. We request you to follow the contributing guidelines.

[Amit366]

@kumarankit999 this is not a part of any open source event. But if u still want to contribute u can.