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/delete-flow.py

@@ -0,0 +1,25 @@
+import os
+
+import requests
+
+base = os.environ.get("LANGFLOW_URL", "")
+api_key = os.environ.get("LANGFLOW_API_KEY", "")
+
+headers = {"accept": "application/json", "Content-Type": "application/json", "x-api-key": api_key}
+
+create = requests.post(
+    f"{base}/api/v1/flows/",
+    headers=headers,
+    json={
+        "name": "docs-example-delete-me",
+        "description": "Temporary flow for delete-flow example",
+        "data": {"nodes": [], "edges": []},
+    },
+    timeout=30,
+)
+create.raise_for_status()
+flow_id = create.json()["id"]
+
+delete = requests.delete(f"{base}/api/v1/flows/{flow_id}", headers=headers, timeout=30)
+delete.raise_for_status()
+print(delete.text)