Readded importmap

basic-example/pyscript.html

@@ -19,6 +19,14 @@
       </div>
     </div>
 
+    <script type="importmap">
+      {
+        "imports": {
+          "d3": "https://cdn.skypack.dev/d3@7"
+        }
+      }
+    </script>
+
     <!-- prettier-ignore -->
     <py-script>
         from pyodide import create_proxy, to_js, open_url