loongson/pypi: links for micropython-simple-keypad

loongson/mirror micropython-simple-keypad-1.0.3.tar.gz
loongson/mirror micropython-simple-keypad-1.0.2.tar.gz
loongson/mirror micropython-simple-keypad-1.0.1.tar.gz
loongson/mirror micropython-simple-keypad-1.0.0.tar.gz