Add static pages and styles

frontend/src/App.tsx

@@ -21,6 +21,7 @@ import { InvitePage } from '@/pages/InvitePage'
 import { AssignmentDetailPage } from '@/pages/AssignmentDetailPage'
 import { ProfilePage } from '@/pages/ProfilePage'
 import { UserProfilePage } from '@/pages/UserProfilePage'
+import { StaticContentPage } from '@/pages/StaticContentPage'
 import { NotFoundPage } from '@/pages/NotFoundPage'
 import { TeapotPage } from '@/pages/TeapotPage'
 import { ServerErrorPage } from '@/pages/ServerErrorPage'
@@ -89,6 +90,11 @@ function App() {
         {/* Public invite page */}
         <Route path="invite/:code" element={<InvitePage />} />
 
+        {/* Public static content pages */}
+        <Route path="terms" element={<StaticContentPage />} />
+        <Route path="privacy" element={<StaticContentPage />} />
+        <Route path="page/:key" element={<StaticContentPage />} />
+
         <Route
           path="login"
           element={