loongson/pypi: links for image2base64

loongson/mirror image2base64-0.0.5.tar.gz
loongson/mirror image2base64-0.0.4.tar.gz
loongson/mirror image2base64-0.0.3.tar.gz
loongson/mirror image2base64-0.0.2.tar.gz
loongson/mirror image2base64-0.0.1.tar.gz