Added/updated snippets for docs (#2318)

docs/doc_examples/c96669604d0e66a097ddf3093b025ccd.asciidoc

@@ -0,0 +1,18 @@
+// 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: "my-index-000001",
+  size: 0,
+  aggs: {
+    "my-agg-name": {
+      terms: {
+        field: "my-field",
+      },
+    },
+  },
+});
+console.log(response);
+----