readme imrpovements

Author: humanagent

packages/agent-starter/package.json

@@ -32,7 +32,7 @@
     "@xmtp/content-type-remote-attachment": "^2.0.0",
     "@xmtp/content-type-reply": "^2.0.0",
     "@xmtp/content-type-text": "^2.0.0",
-    "@xmtp/node-sdk": "^0.0.38",
+    "@xmtp/node-sdk": "^0.0.39",
     "dotenv": "^16.4.5",
     "typescript": "^5.4.5",
     "viem": "^2.16.3"