Auto-generated code for 8.x (#2412)

Co-authored-by: Josh Mock <joshua.mock@elastic.co>

docs/doc_examples/40f287bf733420bbab134b74c7d0ea5d.asciidoc

@@ -0,0 +1,16 @@
+// This file is autogenerated, DO NOT EDIT
+// Use `node scripts/generate-docs-examples.js` to generate the docs examples
+
+[source, js]
+----
+const response = await client.index({
+  index: "amazon-reviews",
+  id: 1,
+  document: {
+    review_text:
+      "This product is lifechanging! I'm telling all my friends about it.",
+    review_vector: [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8],
+  },
+});
+console.log(response);
+----