loongson/pypi: links for mkdocs-plugin-progress

loongson/mirror mkdocs-plugin-progress-1.2.0.tar.gz
loongson/mirror mkdocs_plugin_progress-1.2.0-py3-none-any.whl
loongson/mirror mkdocs-plugin-progress-1.1.4.tar.gz
loongson/mirror mkdocs_plugin_progress-1.1.4-py3-none-any.whl