Add link to py in readme (langchain-ai#1017)

README.md

@@ -4,6 +4,8 @@
 
 [![CI](https://github.com/hwchase17/langchainjs/actions/workflows/ci.yml/badge.svg)](https://github.com/hwchase17/langchainjs/actions/workflows/ci.yml) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![Twitter](https://img.shields.io/twitter/url/https/twitter.com/langchainai.svg?style=social&label=Follow%20%40LangChainAI)](https://twitter.com/langchainai) [![](https://dcbadge.vercel.app/api/server/6adMQxSpJS?compact=true&style=flat)](https://discord.gg/6adMQxSpJS)
 
+Looking for the Python version? Check out [LangChain](https://github.com/hwchase17/langchain).
+
 **Production Support:** As you move your LangChains into production, we'd love to offer more comprehensive support.
 Please fill out [this form](https://forms.gle/57d8AmXBYp8PP8tZA) and we'll set up a dedicated support Slack channel.