Fix the pwa example (#3664)

examples/pwa/index.html

@@ -3,28 +3,16 @@
   <head>
     <title>{app_title}</title>
     <script>
-    if ('serviceWorker' in navigator) {
+      if ("serviceWorker" in navigator) {
-      navigator.serviceWorker.register(
+        navigator.serviceWorker.register("/{base_path}/assets/sw.js");
-        '/sw.js'
-      );
       }
     </script>
-  <link rel="manifest" href="manifest.json">
+    <link rel="manifest" href="/assets/manifest.json" />
     <meta content="text/html;charset=utf-8" http-equiv="Content-Type" />
-  <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta charset="UTF-8" />
-  {style_include}
   </head>
   <body>
     <div id="main"></div>
-  <script type="module">
-    import init from "/{base_path}/assets/dioxus/{app_name}.js";
-    init("/{base_path}/assets/dioxus/{app_name}_bg.wasm").then(wasm => {
-      if (wasm.__wbindgen_start == undefined) {
-        wasm.main();
-      }
-    });
-  </script>
-  {script_include}
   </body>
 </html>