Homepage Link addition

[ibhavikamalhotra]

Added the anchor tag around the navbar-logo, and added a class "github" to "Contribute on GitHub" anchor tag in the navbar in order to maintain the layout.

[ishandeveloper]

Hey @ibhavikamalhotra ! Thank you for taking out the time to contribute to this repository.

However, I'm sorry I can't merge this PR, as it looks like you directly edited the main.css file and created a pull request. Please note that this project uses SASS/SCSS syntax for styling, do not directly edit the main.css file, instead refer to the 'Making Style Changes' section of the Contributing guidelines here.

Don't feel disheartened. Please either commit the new changes in this PR or close this and create a new one. In any case, hit me up once done, and I'll merge the PR :)

Goodluck and Happy Hacking ! 🎊