loongson/pypi: links for indico-plugin-custom-footer

loongson/mirror indico-plugin-custom-footer-2.0.1.tar.gz
loongson/mirror indico_plugin_custom_footer-2.0.1-py2-none-any.whl
loongson/mirror indico-plugin-custom-footer-2.0.0.tar.gz
loongson/mirror indico_plugin_custom_footer-2.0.0-py2-none-any.whl