Add social media links

[AnuragGupta007]

Which issue does this PR close?

• Closes Social Media link is not present in footer. #368 .

Rationale for this change

What changes are included in this PR?

• I have added social media links like discord, github and instagram in the footer section of the page. I have also formatted the document which led to several lines of code changed.

Are these changes tested?

Are there any user-facing changes?

Screenshots

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[github-actions]

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