loongson/pypi: links for cornerstone-browser

loongson/mirror cornerstone.browser-1.3.4.tar.gz
loongson/mirror cornerstone.browser-1.3.3.tar.gz
loongson/mirror cornerstone.browser-1.3.2.tar.gz
loongson/mirror cornerstone.browser-1.3.1.tar.gz
loongson/mirror cornerstone.browser-1.2.tar.gz
loongson/mirror cornerstone.browser-1.1.tar.gz
loongson/mirror cornerstone.browser-1.0.3.tar.gz
loongson/mirror cornerstone.browser-1.0.1.tar.gz