Update README.md

Author: eyurtsev

README.md

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 # langchain-postgres
 
+[![Release Notes](https://img.shields.io/github/release/langchain-ai/langchain-postgres)](https://github.com/langchain-ai/langchain-postgres/releases)
+[![CI](https://github.com/langchain-ai/langchain-postgres/actions/workflows/ci.yml/badge.svg)](https://github.com/langchain-ai/langchain-postgres/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)
+[![Open Issues](https://img.shields.io/github/issues-raw/langchain-ai/langchain-postgres)](https://github.com/langchain-ai/langchain-postgres/issues)
+
 The `langchain-postgres` package implementations of core LangChain abstractions using `Postgres`.
 
 The package is released under the MIT license.