Add langgraph to AI and Agents (Orchestration)

Author: Oliver-Liu99

README.md

@@ -148,6 +148,7 @@ _Libraries for building AI applications, LLM integrations, and autonomous agents
   - [dspy](https://github.com/stanfordnlp/dspy) - A framework for programming, not prompting, language models.
   - [hermes-agent](https://github.com/nousresearch/hermes-agent) - An adaptive AI agent framework that grows with you.
   - [langchain](https://github.com/langchain-ai/langchain) - Building applications with LLMs through composability.
+  - [langgraph](https://github.com/langchain-ai/langgraph) - Low-level orchestration framework for building stateful, long-running LLM agents.
   - [openai-agents](https://github.com/openai/openai-agents-python) - OpenAI's framework for building and managing AI agents.
   - [OpenChronicle](https://github.com/Einsia/OpenChronicle) - Open-source, local-first memory for any tool-capable LLM agent.
   - [promptise](https://github.com/promptise-com/foundry) - A framework for building end-to-end production-ready agentic systems, scalable & secure MCP's and autonomous agents.