loongson/pypi: links for collective-js-slimbox2

loongson/mirror collective.js.slimbox2-1.4.tar.gz
loongson/mirror collective.js.slimbox2-1.3.tar.gz
loongson/mirror collective.js.slimbox2-1.2.tar.gz
loongson/mirror collective.js.slimbox2-1.1.zip