Add "Apply for staff" link to homepage

This commit enhances the homepage by adding a new link to the "Apply for staff" page, making it easier for visitors to find and access staff application information directly from the main page. The new link is placed alongside the existing "Contact us" link for better visibility.

src/components/home/home.tsx

@@ -11,6 +11,7 @@ const Home: FunctionComponent = () => {
             <header className="App-header">
                 <h1>Welcome to the Altitude forms page</h1>
                 <h2><a href="/contact">Contact us.</a></h2>
+                <h2><a href="/apply">Apply for staff.</a></h2>
             </header>
         </div>
     );