fix: change package cdn from unpkg to jsdelivr

Author: DigTheDoug

sandbox/app/index.html

@@ -7,21 +7,21 @@
         content="IE=edge">
   <meta name="viewport"
         content="width=device-width, initial-scale=1.0">
-  <script src="https://unpkg.com/react@latest/umd/react.production.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/react@latest/umd/react.production.min.js"
           crossorigin></script>
-  <script src="https://unpkg.com/react-dom@latest/umd/react-dom.production.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/react-dom@latest/umd/react-dom.production.min.js"
           crossorigin></script>
-  <script src="https://unpkg.com/@mui/material@latest/umd/material-ui.development.js"
+  <script src="https://cdn.jsdelivr.net/npm/@mui/material@latest/umd/material-ui.production.min.js"
           crossorigin="anonymous"></script>
-  <script src="https://unpkg.com/[email protected]/lib/browser.min.js"
+  <script src="https://cdn.jsdelivr.net/npm/[email protected]/lib/browser.min.js"
           crossorigin></script>
   <link rel="stylesheet"
         href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap" />
   <link rel="stylesheet"
         href="https://fonts.googleapis.com/icon?family=Material+Icons" />
   <script type="module">
     await esbuild.initialize({
-      wasmURL: "https://unpkg.com/[email protected]/esbuild.wasm",
+      wasmURL: "https://cdn.jsdelivr.net/npm/[email protected]/esbuild.wasm",
     });
 
     window.compileJsxModule = async function compileJsxModule(filePath, entryPoint) {