Fixed chapter selection on last chapter

src/App.tsx

@@ -3,14 +3,16 @@ import type { Component } from 'solid-js';
 import Controls from './components/Controls';
 import Hero from './components/Hero'
 import Projects from './components/Projects/Projects'
+import ContactForm from './components/ContactForm'
 
 const App: Component = () => {
   return (
-    <>
+    <div class='App'>
       <Controls/>
       <Hero/>
       <Projects/>
-    </>
+      <ContactForm/>
+    </div>
   );
 };