docs: add hints about minimal required nodejs

 * update playwright dependency.

README.md

@@ -36,6 +36,11 @@ and thus maybe behind the latest developments.
 
 ### Install dependencies
 
+Install current LTS version of NodeJS, e.g. see
+https://github.com/nodesource/distributions/blob/master/README.md .
+Upgrade to the latest version of npm if you can.
+Development has been started with Node 18 and npm 10.2.
+
 `npm install`
 `npx playwright install`
 

package.json

@@ -16,8 +16,11 @@
     "test:unit": "vitest",
     "coverage": "vitest run --coverage"
   },
+  "engines": {
+    "node": "^18.18.2"
+  },
   "devDependencies": {
-    "@playwright/test": "^1.28.1",
+    "@playwright/test": "^1.39.0",
     "@sveltejs/adapter-auto": "^2.0.0",
     "@sveltejs/adapter-static": "^2.0.2",
     "@sveltejs/kit": "^1.20.4",