chore(examples): change name in package.json

[iiio2]

🔗 Linked issue

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

There are many examples in our Nitro project inside examples folder. For example, in the api-routes folder, the name of the project is example-api-routes in the name field in package.json file. In the same way, in the auto-imports folder, the name in package.json is example-auto-imports. In the cached-handler folder, the name field in package.json is example-cached-handler. But in the websocket folder, the project name was given example-hello-world. I think it would be better to change it to example-websocket for maintaining the naming consistency like all other the projects in package.json.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.