chore(deps): add vitest for testing

vitest.config.ts

@@ -0,0 +1,16 @@
+/// <reference types="vitest" />
+
+import { defineConfig } from 'vitest/config'
+import react from '@vitejs/plugin-react'
+import tsconfigPaths from 'vite-tsconfig-paths'
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [
+    react(),
+    tsconfigPaths(),
+  ],
+  test: {
+    environment: 'jsdom',
+  },
+})