loongson/mirror: links for automatic-signature-sheet

loongson/mirror automatic_signature_sheet-0.2.1.tar.gz
loongson/mirror automatic_signature_sheet-0.2.1-py3-none-any.whl
loongson/mirror automatic_signature_sheet-0.2.0.tar.gz
loongson/mirror automatic_signature_sheet-0.2.0-py3-none-any.whl
loongson/mirror automatic_signature_sheet-0.1.0.tar.gz
loongson/mirror automatic_signature_sheet-0.1.0-py3-none-any.whl