no-cdn basic support

{{cookiecutter.out_dir}}/web/assets/FontManifest.json

@@ -0,0 +1,18 @@
+[
+    {
+        "family": "MaterialIcons",
+        "fonts": [
+            {
+                "asset": "fonts/MaterialIcons-Regular.otf"
+            }
+        ]
+    },
+    {
+        "family": "packages/cupertino_icons/CupertinoIcons",
+        "fonts": [
+            {
+                "asset": "packages/cupertino_icons/assets/CupertinoIcons.ttf"
+            }
+        ]
+    }
+]

{{cookiecutter.out_dir}}/web/flutter_bootstrap.js

@@ -2,8 +2,11 @@
 {{ '{{flutter_build_config}}' }}
 
 var config = {};
-if (webRenderer != "auto") {
+if (globalThis.webRenderer != "auto") {
-    config.renderer = webRenderer;
+    config.renderer = globalThis.webRenderer;
+}
+if (globalThis.canvasKitBaseUrl) {
+    config.canvasKitBaseUrl = globalThis.canvasKitBaseUrl;
 }
 
 _flutter.loader.load({

{{cookiecutter.out_dir}}/web/index.html

@@ -29,6 +29,13 @@
     var pythonModuleName = "{{ cookiecutter.python_module_name }}";
   </script>
 
+  <!-- {% if cookiecutter.no_cdn %} -->
+  <script>
+    var canvasKitBaseUrl = "/canvaskit/";
+    var pyodideUrl = "/pyodide/pyodide.js";
+  </script>
+  <!-- {% endif %} -->
+
   <script src="python.js"></script>
 </head>