chore: add Storybook stories for MyForm component

src/App.tsx

@@ -1,11 +1,11 @@
 import "./App.css";
 
+import { MyForm } from "./stories/myForm";
+
 function App() {
   return (
     <>
-      <section>
-        <text>TanStackForm</text>
-      </section>
+      <MyForm></MyForm>
     </>
   );
 }