Logo UB transparent

Links
- https://www.mathematics-and-life-sciences.uni-bonn.de/en/bonn-center-for-mathematical-life-sciences/media-datashield/logo_transparent.png/image_view_fullscreen
- https://www.mathematics-and-life-sciences.uni-bonn.de/en/bonn-center-for-mathematical-life-sciences/media-datashield/logo_transparent.png/@@download/image/logo_transparent.png