loongson/pypi: links for pattern-singleton

loongson/mirror pattern_singleton-1.2.0.tar.gz
loongson/mirror pattern_singleton-1.1.0.tar.gz
loongson/mirror pattern_singleton-1.0.1.tar.gz
loongson/mirror pattern_singleton-1.0.0.tar.gz
loongson/mirror pattern_singleton-0.1.0.tar.gz