docs: expose langgraph-supervisor (#3350)

docs/docs/prebuilt.md

@@ -1,5 +1,5 @@
 [//]: # (This file is automatically generated using a script in docs/_scripts. Do not edit this file directly!)
-# 🚀 Prebuilt Libraries
+# 🚀 Prebuilt Agents
 
 LangGraph includes a prebuilt React agent. For more information on how to use it, 
 check out our [how-to guides](https://langchain-ai.github.io/langgraph/how-tos/#prebuilt-react-agent).
@@ -12,6 +12,7 @@ below. These libraries can extend LangGraph's functionality in various ways.
 | Name | GitHub URL | Description | Weekly Downloads |
 | --- | --- | --- | --- |
 | **trustcall** | [hinthornw/trustcall](https://github.com/hinthornw/trustcall) | Tenacious tool calling built on LangGraph | 7081 |
+| **langgraph-supervisor** | [langchain-ai/langgraph-supervisor](https://github.com/langchain-ai/langgraph-supervisor) | Build supervisor multi-agent systems with LangGraph | - |
 
 ## ✨ Contributing Your Library
 

docs/mkdocs.yml

@@ -354,7 +354,7 @@ nav:
             - tutorials/auth/resource_auth.md
             - tutorials/auth/add_auth_server.md
     - Resources:
-      - Prebuilt: prebuilt.md
+      - Prebuilt Agents: prebuilt.md
       - FAQ: concepts/faq.md
       - Troubleshooting:
           - Troubleshooting: troubleshooting/errors/index.md