Added/updated snippets for docs (#2318)

docs/doc_examples/dae57cf7df18adb4dc64426eb159733a.asciidoc

@@ -0,0 +1,22 @@
+// 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.search({
+  index: "latency",
+  size: 0,
+  aggs: {
+    load_time_outlier: {
+      percentiles: {
+        field: "load_time",
+        percents: [95, 99, 99.9],
+        hdr: {
+          number_of_significant_value_digits: 3,
+        },
+      },
+    },
+  },
+});
+console.log(response);
+----