loongson/mirror: links for beam-langchain

loongson/mirror beam_langchain-0.5.1.tar.gz
loongson/mirror beam_langchain-0.5.1-py3-none-any.whl
loongson/mirror beam_langchain-0.5.0.tar.gz
loongson/mirror beam_langchain-0.5.0-py3-none-any.whl
loongson/mirror beam_langchain-0.1.0.tar.gz
loongson/mirror beam_langchain-0.1.0-py3-none-any.whl