qa: add e2e tests

vitest.config.ts

@@ -0,0 +1,14 @@
+/// <reference types="vitest" />
+
+import { defineConfig } from 'vite';
+
+export default defineConfig({
+  test: {
+    coverage: {
+      reporter: ['text', 'json-summary', 'json', 'html'],
+      reportOnFailure: true,
+      include: ['packages/*/src/**/*.ts'],
+      exclude: ['packages/examples/**/*', 'packages/tests/**/*'],
+    },
+  },
+});