Added/updated snippets for docs (#2318)

docs/doc_examples/2fa45d74ba9933188c4728f8a9e5372c.asciidoc

@@ -0,0 +1,26 @@
+// 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.cluster.putSettings({
+  persistent: {
+    "action.auto_create_index": "my-index-000001,index10,-index1*,+ind*",
+  },
+});
+console.log(response);
+
+const response1 = await client.cluster.putSettings({
+  persistent: {
+    "action.auto_create_index": "false",
+  },
+});
+console.log(response1);
+
+const response2 = await client.cluster.putSettings({
+  persistent: {
+    "action.auto_create_index": "true",
+  },
+});
+console.log(response2);
+----