chore: add npm script for testing

package.json

@@ -51,7 +51,7 @@
     "deps:install": "npm ci",
     "deps:truncate": "npm prune --production",
     "typecheck": "tsc -p . --noEmit",
-    "test": "exit 0",
+    "test": "npx playwright test",
     "dev": "run-s build _dev:watch",
     "_dev:watch": "run-p _build:watch _storybook:watch",
     "build:clean": "rm -rf build",