[feature] testy --init

[ngarbezza]

Is your feature request related to a problem? Please describe. Setting up a project with Testy is a manual process today, or you have to start by an existing template.

Describe the solution you'd like A command testy --init that creates a .testyrc.json with the default configuration, a tests folder with an example test suite like the one in the README.

Astro has a great DX for creating new projects. We can take ideas from it.

Other alternatives can be considered too! the goal is to have a blank project to start with