loongson/pypi: links for indico-plugin-topmenuextender

loongson/mirror indico-plugin-topmenuextender-3.0.1.tar.gz
loongson/mirror indico_plugin_topmenuextender-3.0.1-py3-none-any.whl
loongson/mirror indico-plugin-topmenuextender-3.0.1.dev0.tar.gz
loongson/mirror indico_plugin_topmenuextender-3.0.1.dev0-py3-none-any.whl