Added/updated snippets for docs (#2318)

docs/doc_examples/3e278e6c193b4c17dbdc70670e15d78c.asciidoc

@@ -0,0 +1,23 @@
+// 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({
+  query: {
+    match: {
+      "user.id": "kimchy",
+    },
+  },
+  highlight: {
+    fields: {
+      comment: {
+        fragment_size: 150,
+        number_of_fragments: 3,
+        no_match_size: 150,
+      },
+    },
+  },
+});
+console.log(response);
+----