loongson/pypi: links for openedx-sample-plugin

loongson/mirror openedx_sample_plugin-1.1.0.tar.gz
loongson/mirror openedx_sample_plugin-1.1.0-py2.py3-none-any.whl
loongson/mirror openedx_sample_plugin-1.0.3.tar.gz
loongson/mirror openedx_sample_plugin-1.0.3-py2.py3-none-any.whl
loongson/mirror openedx_sample_plugin-0.1.0.tar.gz
loongson/mirror openedx_sample_plugin-0.1.0-py2.py3-none-any.whl