loongson/pypi: links for gbrestructure

loongson/mirror GBRestructure-0.4.3.tar.gz
loongson/mirror GBRestructure-0.4.2.tar.gz
loongson/mirror GBRestructure-0.4.1.tar.gz
loongson/mirror GBRestructure-0.4.0.tar.gz
loongson/mirror GBRestructure-0.3.1.tar.gz
loongson/mirror GBRestructure-0.3.tar.gz
loongson/mirror GBRestructure-0.2.tar.gz