With SHA 2c3e948e61 the biography of Paul Gschwendtner has been accidentally removed.
This re-adds the biography entry (picture still present) as requested on Slack.
contributor fix
contributor card styling updates
button styling and container size fix
remove button and add image border
selection filter for buttons
header only show when group selected and styles
initial flip card funcitonality and data change
selected buttons styling
complete flip func and card style
flip feature
contributor group changes
fixes