Fix missing snippet from LC deploy page (#1542)

Author: katmayb

src/oss/langchain/deploy.mdx

@@ -2,6 +2,8 @@
 title: Deploy
 ---
 
+import deploy from '/snippets/oss/deploy.mdx';
+
 LangSmith is the fastest way to turn agents into production systems. Traditional hosting platforms are built for stateless, short-lived web apps, while LangGraph is **purpose-built for stateful, long-running agents**, so you can go from repo to reliable cloud deployment in minutes.
 
 ## Prerequisites