chore: update example

Author: frankzhaopeng

example/index.html

@@ -37,10 +37,10 @@ <h3>boolean type</h3>
     </div>
     <script>
       const user = new featureProbe.FPUser();
-      user.with("userId", "1234567890");
+      user.with("userId", "00001");
 
       const fpClient = new featureProbe.FeatureProbe({
-        remoteUrl: "https://featureprobe.io/server/bcc",
+        remoteUrl: "https://featureprobe.io/server",
         clientSdkKey: "client-25614c7e03e9cb49c0e96357b797b1e47e7f2dff",
         user,
         refreshInterval: 5000,