Update Readme

[amanjagdev]

In the readme file, the following changes were required:

• Replace the screenshots with an updated version of the site and ensure that the background of the screenshots is transparent so that it works in both light and dark GitHub mode.
• If necessary, update the documentation
• Correct this section of the readme
  

[Jayita10]

I want to work on this issue...please assign me!

[omeiirr]

I would like to fix this issue.

[amanjagdev]

Sure @Jayita10 @omeiirr You both can start working on it.
I will assign this issue to you