Use web-dev-server for local development

Author: koddsson

examples/index.html

@@ -9,7 +9,7 @@
 
     <script type="module">
       // import 'https://unpkg.com/@github/custom-element-boilerplate@latest/dist/custom-element.js'
-      import '../dist/custom-element.js'
+      import '../src/custom-element.ts'
     </script>
   </body>
 </html>