feat: add LinkedIn link support for blog post authors

[Siddhartha20242]

What kind of change does this PR introduce?
I added the link section in each blog post under the name of "Author". I saw that someone was trying and that PR failed from more than 2 weeks so i made changes related to that. Added the linkedin links in the md successfully with just few changes in the [pages/blog/posts/[slug].page.tsx].

• It's a feature

Issue Number:
#1398

• Closes ✨ Enhancement: Linking LinkedIn Profile of Author in Blogs #1398

• Related to ✨ Enhancement: Linking LinkedIn Profile of Author in Blogs #1398

• Others?

Screenshots/videos:

If relevant, did you update the documentation?

Summary

• This change was necessary cause the previous one's used to have twitter link but new blogs got nothing down to the name of the author. So, why not make changes and help people navigate who they actually are and their experiences as most of the engineers in our organization have more than 15+ years of experience.

Does this PR introduce a breaking change?

No

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• [x ] Read, understood, and followed the contributing guidelines.

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[Siddhartha20242]

Hi, @jagpreetrahi brother. Could you please look into this ? I have made all the necessary changes as it was previously failing checks. So, I thought why not take this and do changes by myself.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (5ca1483) to head (f92139a).

Additional details and impacted files

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  Coverage   100.00%   100.00%           
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  Files           30        30           
  Lines          672       672           
  Branches       211       211           
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  Hits           672       672           

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