Adding a preloader

[Shreyans2004]

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Your website is very beautiful .It will become more beautiful if while loading ,a preloader will be there. I can add the preloader to the website so that looks better.Can you assign this task to me?
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[github-actions]

Thanks for raising this issue & giving your bit in this project's development 😇

[gambhirsharma]

This issue is already been solved in #164