loongson/pypi: links for scalebar

loongson/mirror scalebar-0.5.3.tar.gz
loongson/mirror scalebar-0.5.2.tar.gz
loongson/mirror scalebar-0.5.1.tar.gz
loongson/mirror scalebar-0.5.0.tar.gz
loongson/mirror scalebar-0.4.2.tar.gz
loongson/mirror scalebar-0.4.1.tar.gz
loongson/mirror scalebar-0.4.0.tar.gz
loongson/mirror scalebar-0.3.1.tar.gz
loongson/mirror scalebar-0.2.0.tar.gz
loongson/mirror scalebar-0.1.1.tar.gz