Introducing atomic-story

Hi, Rustaceans!

I have been reading and researching about atomics in Rust. It's a very interesting topic, that's very easy to get wrong. So I decided to document my learning journey in a repo/crate, where I put some examples of scenarios that are either not really obvious to understand, or that clearly depict the nuances of the different \Ordering::\\*\\ variants.

The code can be found here: https://github.com/blasrodri/atomic-story

I would really like to have some feedback on what's in there, but also on what else I could add in order to make it useful.