add test components

index.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+
+<head>
+  <meta charset="UTF-8" />
+  <title>demo</title>
+</head>
+
+<body>
+  <div id="root"></div>
+  <script src="./dist/bundle.js"></script>
+</body>
+
+</html>