update examples

example/nodejs-esm/document-worker-extern-config/config.originalTitle.js

@@ -0,0 +1,17 @@
+import { Encoder, Charset } from "flexsearch/esm";
+import EnglishPreset from "flexsearch/esm/lang/en";
+
+export default {
+    tokenize: "forward",
+    encoder: new Encoder(
+        Charset.LatinBalance,
+        EnglishPreset,
+        {
+            normalize: function(str){
+                return str.toLowerCase();
+            },
+            filter: false,
+            minlength: 3
+        }
+    )
+};