loongson/pypi: links for code-generation

loongson/mirror code_generation-2.3.0.tar.gz
loongson/mirror code_generation-2.3.0-py3-none-any.whl
loongson/mirror code_generation-2.1.1.tar.gz
loongson/mirror code_generation-2.1.1-py3-none-any.whl
loongson/mirror code_generation-2.0.0.tar.gz
loongson/mirror code_generation-2.0.0-py3-none-any.whl