:lipstick: Provide a favicon for the search engine website

[APT37]

What would you like to share?

Please add one.

Do you want to work on this issue?

No

Additional information

No response

[github-actions]

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[github-actions]

The issue has been unlocked and is now ready for dev. If you would like to work on this issue, you can comment to have it assigned to you. You can learn more in our contributing guide https://github.com/neon-mmd/websurfx/blob/rolling/CONTRIBUTING.md