add sponsors to menu

web/src/components/layout/Header.tsx

@@ -145,6 +145,14 @@ export const Header = () => {
                   Foreninger
                 </Link>
               </li>
+              <li>
+                <Link
+                  href="/sponsorer"
+                  data-active={pathname === "/sponsorer"}
+                >
+                  Sponsorer
+                </Link>
+              </li>
               <li className={styles.galtinn}>
                 <a href="https://galtinn.neuf.no/" target="_blank">
                   <span>Mitt medlemskap</span>&nbsp;