Feat: Sharing of app's playstore link on button click

[Shubham-Zone]

Describe the feature

We can add a button on about us page to share the playstore link of the app

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Record

• I agree to follow this project's Code of Conduct
• I'm a GSSoC'24 contributor
• I want to work on this issue

[Shubham-Zone]

@Yashshukla11 please assign this to me i am GSSOC'24 contributor ans have 2+ years of experience in flutter

[aikansh008]

please assignt this issue to me i am dedicated to get experience about GSSOC