root/pypi: links for openedx-plugin-example

root/pypi openedx-plugin-example-0.2.1.tar.gz
root/pypi openedx_plugin_example-0.2.1-py3-none-any.whl
root/pypi openedx-plugin-example-0.2.0.tar.gz
root/pypi openedx_plugin_example-0.2.0-py3-none-any.whl