Add some floating icons

[A-jha383]

Description

Adding some related floating icons in the white space on the left side of the landing page.

Screenshots

Additional information

No response

[github-actions]

Hey @A-jha383, Thanks for contributing to Hack4Bengal and Congrats on opening Issue 🎉

We will try to review as soon as possible and a maintainer will get back to you soon!

[A-jha383]

@iamtamal please look in it