Restore Spotify icon import

src/App.tsx

@@ -3,6 +3,7 @@ import { Link, NavLink, Routes, Route, useLocation, useNavigate, useParams } fro
 import AdminPage from './AdminPage'
 import QASection from './components/QASection'
 import ContactForm from './components/ContactForm'
+import { SpotifyIcon } from './icons'
 import type { SiteContent, ArchivedSeries } from './content'
 import { DEFAULTS } from './content'
 import './App.css'