loongson/pypi: links for quinnstruct

loongson/mirror QuinnStruct-0.3.tar.gz
loongson/mirror QuinnStruct-0.3-py3-none-any.whl
loongson/mirror QuinnStruct-0.2.tar.gz
loongson/mirror QuinnStruct-0.2-py3-none-any.whl
loongson/mirror quinnstruct-0.1.tar.gz
loongson/mirror quinnstruct-0.1-py3-none-any.whl