loongson/pypi: links for be-micropython-nextion

loongson/mirror be-micropython-nextion-0.15.2.tar.gz
loongson/mirror be-micropython-nextion-0.15.1.tar.gz
loongson/mirror be-micropython-nextion-0.15.0.tar.gz
loongson/mirror be-micropython-nextion-0.14.0.tar.gz