feat(admin): add registration policy settings and disabled register state

apps/admin/src/app/page.tsx

@@ -200,6 +200,12 @@ export default async function AdminHomePage({
           >
             {t("dashboard.actions.openRoadmap", "Open roadmap and progress")}
           </Link>
+          <Link
+            href="/settings"
+            className="inline-flex rounded-md border border-neutral-300 px-4 py-2 text-sm font-medium hover:bg-neutral-100"
+          >
+            {t("settings.title", "Settings")}
+          </Link>
           <LogoutButton />
         </div>
       </header>