Add an example

[niraj-khatiwada]

An example would be nice to get the idea about what the package does. Maybe a StackBlitz or Codepen.
It's also helps developers to quickly get the code and get started.

[jelveh]

That's a good idea, I'll ad the today. You can also take this up if you're interested. We always welcome contributions 🫡

[JohnieXu]

@jelveh @niraj-khatiwada I write a demo of Todo app with vue3 + vite for Oops.js, on StackBlitz: oops-todo-app.