feature: added contact in footer

[Ayesha-Siddiqua88]

I have added a contact option in the footer of the website. This feature includes a mail icon that, when clicked, opens Gmail with the email address, sbhunia2903@gmail.com. This enhancement simplifies the process for users to reach out directly via email.

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[Sayak-Bhunia]

ur branch has merge conflicts.

[Ayesha-Siddiqua88]

@Sayak-Bhunia I've resolved the conflicts.

[Kritika30032002]

@Ayesha-Siddiqua88 Twitter of @Sayak-Bhunia has to be added instead of gssoc. And if you are unable to find his twitter id link then you can add Twitter(https://twitter.com/ ) link

Kindly update this so that i can merge this pr

[Ayesha-Siddiqua88]

@Kritika30032002 okay will do it

[Ayesha-Siddiqua88]

@Kritika30032002 I've added the twitter link instead of gssoc.