Update logo for project browser

We will need to add some copyright metadata to the image, since having it in the git repo will be another avenue of distribution. The creator/author is Hugh D’Andrade and the copyright notice/usage terms are Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/).

I'm not sure if the background should be transparent, because what if the background of the webpage is the same color as the artwork? So in the current version, I kept the white color.

Automatically closed - issue fixed for 2 weeks with no activity.