update redirection url

[tlogesh]

This PR just fixes the redirection URL -> Currently clicking the logo on https://zen-audio-player.github.io/ is leading to a wrong unavailable domain.

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• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

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• [x] All tests passed. -->