feat: implement Preloader, Footer, and Section components and integrate them into the home page layout.

app/page.tsx

@@ -6,6 +6,7 @@ import Projects from "./components/Projects";
 import Skills from "./components/Skills";
 import { WorkModalities } from "./components/WorkModalities";
 import { Preloader } from "./components/Preloader";
+import Footer from "./components/Footer";
 
 export default function Home() {
   return (
@@ -20,6 +21,7 @@ export default function Home() {
         <WorkModalities />
         <Contact />
       </main>
+      <Footer />
     </div>
   );
 }