Feat: Copy Icon.

[abhiperfect]

Is your feature request related to a problem? Please describe.
Currently, users may find it inconvenient to manually copy shortened URLs after they are generated.

Describe the solution you'd like
I would like to see a copy icon placed next to the "Shorten" button, allowing users to easily copy the shortened URL with a single click.

Describe alternatives you've considered
An alternative solution could be to provide a "Copy" button next to the shortened URL, but having a copy icon directly next to the "Shorten" button may offer a more intuitive and streamlined user experience.

Additional context
Implementing this feature would enhance user convenience and efficiency when using the URL shortening service.

[github-actions]

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[abhiperfect]

I would like to work on this issue.

[hrishabhpatel09]

Already solved. merged in #87