Going through the [Zarr tutorial](https://zarr.readthedocs.io/en/stable/tutorial.html), I was thinking it will be nice to have a - Prerequisites section: Which tells the user the basic skills necessary for using Zarr, the dependencies needed to use. - Understanding the example code: Which contains guidelines on how to read the code snippets in the examples - What is an N-dimensional array: Which contains definitions and samples of N-dimensional array