refactor: app routes and background colours

Author: devraj

src/App.tsx

@@ -47,7 +47,6 @@ function App() {
               Sign in with Email & Password
             </RouterLink>
           </li>
-
         </ul>
       </nav>
     </div>

src/index.css

@@ -3,7 +3,7 @@
 @layer base {
     body {
         @apply m-0;
-        @apply bg-zinc-50;
+        @apply bg-slate-50;
     }
 }