feat(appearance): accent color, corners, wide layout and game art background

src/pages/GameLibrary.test.jsx

@@ -3,6 +3,7 @@ import {afterEach, beforeEach, describe, expect, it, vi} from 'vitest';
 import {act, cleanup, fireEvent, render, screen, waitFor} from '@testing-library/react';
 import {MemoryRouter, Route, Routes, useLocation, useNavigate} from 'react-router-dom';
 import GameLibrary from './GameLibrary.jsx';
+import {PreferencesProvider} from '../context/PreferencesContext.jsx';
 
 vi.mock('react-i18next', () => import('../test/i18n-mock.js'));
 vi.mock('../hooks/useLibrarySync.js', () => ({default: () => ({status: 'OK', lastSyncedAt: null, isRunning: false})}));
@@ -26,9 +27,9 @@ function renderLibrary(initialEntry = '/library') {
         return null;
     }
     render(
-        <MemoryRouter initialEntries={[initialEntry]}>
+        <MemoryRouter initialEntries={[initialEntry]}><PreferencesProvider>
             <Routes><Route path="/library" element={<><GameLibrary/><Spy/></>}/></Routes>
-        </MemoryRouter>,
+        </PreferencesProvider></MemoryRouter>,
     );
     return {
         navigations: () => lib.navigations,