Update starter.html

Author: huanglii

docs/.vitepress/demos/starter.html

@@ -25,7 +25,7 @@
   <script>
     const map = new maplibregl.Map({
       container: 'map', // container id
-      style: 'https://demotiles.maplibre.org/style.json', // style URL
+      style: 'https://naivemap.com/demotiles/style.json', // style URL
       center: [0, 0], // starting position [lng, lat]
       zoom: 1, // starting zoom
       maplibreLogo: true