Add first accessibility tests

config/test/setupTests.ts

@@ -1,7 +1,19 @@
+import 'vitest-canvas-mock';
 import '@testing-library/jest-dom/vitest';
 import { cleanup } from '@testing-library/react';
+import axe from 'axe-core';
 import { afterEach } from 'vitest';
 
+axe.configure({
+  checks: [
+    {
+      // Disable color contrast checking, as it doesn't work in jsdom
+      id: 'color-contrast',
+      enabled: false,
+    },
+  ],
+});
+
 // Clear all mocks and cleanup DOM after every test
 afterEach(() => {
   vi.clearAllMocks();