Add back button to list and list icon to navbar

[shubhagarwal1]

fix: #223 Changes added

• Add back button the user list page
• Add list icon to the navbar

[netlify[bot]]

👷 Deploy request for daccotta pending review.

Visit the deploys page to approve it

Name	Link
🔨 Latest commit	6c7b2bddb18286b87123bb39f9462a847c055146

[github-actions[bot]]

🎉🎉 Thank you for your contribution! Your PR #246 has been merged! 🎉🎉