chore: update readme, add workflow

package.json

@@ -17,7 +17,8 @@
   "scripts": {
     "build": "tsc",
     "lint": "eslint .",
-    "watch": "tsc --watch"
+    "watch": "tsc --watch",
+    "test": "playwright test"
   },
   "exports": {
     "./servers/server": "./lib/servers/server.js",
@@ -37,6 +38,7 @@
   "devDependencies": {
     "@eslint/eslintrc": "^3.2.0",
     "@eslint/js": "^9.19.0",
+    "@playwright/test": "1.52.0-alpha-2025-03-21",
     "@stylistic/eslint-plugin": "^3.0.1",
     "@typescript-eslint/eslint-plugin": "^8.26.1",
     "@typescript-eslint/parser": "^8.26.1",