updated frontend with CKA info and footer

frontend/src/App.tsx

@@ -3,6 +3,7 @@ import './App.css'
 import Navbar from './components/Navbar'
 import Introduction from './components/Introduction'
 import Skills from './components/Skills'
+import Footer from './components/Footer'
 
 function App() {
   const [darkMode, setDarkMode] = useState(true)
@@ -18,6 +19,7 @@ function App() {
           <Navbar toggleDarkMode={toggleDarkMode} darkMode={darkMode}/>
           <Introduction></Introduction>
           <Skills></Skills>
+          <Footer></Footer>
         </section>
       </main>
     </div>