README: link finder screenshot to the latest release
README: link finder screenshot to the latest release

adafruit/Adafruit-Pi-Finder,adafruit/Adafruit-Pi-Finder,CalmEQ/calmeq-pi-setup,octoblu/Adafruit-Pi-Finder,StealthMicro/Adafruit-Pi-Finder,CalmEQ/calmeq-pi-setup,StealthMicro/Adafruit-Pi-Finder,octoblu/Adafruit-Pi-Finder,CalmEQ/calmeq-pi-setup