Generate CHANGELOG.md

[azerella]

As a part of the new architecture epic we need to be able to dynamically generate the CHANGELOG.MD. Ideally from the GitHub release history for that component.

[MVP]

• New releases update the changelog automagically, possibly with some sort of react hook?

[alex-page]

This is interesting as we can't do GitHub releases for mono repos. Hopefully we can work out a nice way to do this with NPM.

[azerella]

I think for now we will close this as the CHANGELOG.md should be an actively maintained history that we add to every time a new change occurs. We can't automate this process, not from Git or from NPM.

As we are removing the ## Release history from the README.md in #622 , this doesn't necessarily need to be completed anymore.

If anything maybe a changlog skimmer module might be more suitable, like: https://www.npmjs.com/package/changelog-skimmer