fix 512 icon image size
fix 512 icon image size

LievenLitaer/klingon-assistant,De7vID/klingon-assistant,dlyongemallo/klingon-assistant,De7vID/klingon-assistant,LievenLitaer/klingon-assistant,dlyongemallo/klingon-assistant,LievenLitaer/klingon-assistant