loongson/mirror: links for arc1-pyqt

loongson/mirror arc1_pyqt-2.0.0rc3.tar.gz
loongson/mirror arc1_pyqt-2.0.0rc3-py3-none-any.whl
loongson/mirror arc1_pyqt-2.0.0rc2.tar.gz
loongson/mirror arc1_pyqt-2.0.0rc2-py3-none-any.whl
loongson/mirror arc1_pyqt-2.0.0rc1.tar.gz
loongson/mirror arc1_pyqt-2.0.0rc1-py3-none-any.whl
loongson/mirror arc1_pyqt-2.0.0rc0.tar.gz
loongson/mirror arc1_pyqt-2.0.0rc0-py3-none-any.whl