docs: cut version 1.9.0 (#12681)

* version-1.9.0-docs

* [autofix.ci] apply automated fixes

* [autofix.ci] apply automated fixes (attempt 2/3)

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

docs/versioned_docs/version-1.9.0/API-Reference/python-examples/api-flows/create-flows.py

@@ -0,0 +1,28 @@
+import os
+import uuid
+
+import requests
+
+base = os.environ.get("LANGFLOW_URL", "")
+api_key = os.environ.get("LANGFLOW_API_KEY", "")
+folder_id = (os.environ.get("PROJECT_ID") or os.environ.get("FOLDER_ID") or "").strip()
+
+headers = {"accept": "application/json", "Content-Type": "application/json", "x-api-key": api_key}
+
+
+def _flow_doc(suffix: str) -> dict:
+    doc = {
+        "name": f"batch-flow-{uuid.uuid4().hex[:8]}",
+        "description": f"Docs batch example {suffix}",
+        "data": {"nodes": [], "edges": []},
+    }
+    if folder_id:
+        doc["folder_id"] = folder_id
+    return doc
+
+
+payload = {"flows": [_flow_doc("A"), _flow_doc("B")]}
+
+response = requests.post(f"{base}/api/v1/flows/batch/", headers=headers, json=payload, timeout=30)
+response.raise_for_status()
+print(response.text)