loongson/pypi: links for microbuild

loongson/mirror microbuild-0.3.3.tar.gz
loongson/mirror microbuild-0.3.2.tar.gz
loongson/mirror microbuild-0.3.1.tar.gz
loongson/mirror microbuild-0.3.0.tar.gz
loongson/mirror microbuild-0.2.0.tar.gz
loongson/mirror microbuild-0.1.0.tar.gz