Blog Post / Example: Dojo 1 vs. Dojo 2 stores

[nicknisi]

It would be great to provide information about the differences between stores in Dojo 1 and 2, and an intro to using the new stores API, as this could be a good tutorial for those looking to upgrade from a Dojo 1 app.

[nicknisi]

It would also be good to generalize the approach to account for developers of other backgrounds, comparing and contrasting to similar approaches in React and Angular.