Add prepare script to package.json

Author: rlweb

package.json

@@ -25,7 +25,8 @@
     "lint": "eslint src/",
     "format": "prettier --write 'src/**/*.ts' '*.json' '*.ts'",
     "format:check": "prettier --check 'src/**/*.ts' '*.json' '*.ts'",
-    "prepublishOnly": "pnpm install && pnpm run build"
+    "prepublishOnly": "pnpm install && pnpm run build",
+    "prepare": "npminstall && npm run build"
   },
   "keywords": [
     "playwright",