Added/updated snippets for docs (#2318)

docs/doc_examples/b7c99eb38d4b37e22de1ffcb0e88ae4c.asciidoc

@@ -0,0 +1,14 @@
+// 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: "my-index-000001",
+  id: 2,
+  document: {
+    message: "A new bonsai tree in the office",
+  },
+});
+console.log(response);
+----