Events are no longer being updated

[ColinEberhardt]

The current format is a bit cumbersome:

https://github.com/ScottLogic/blog/tree/gh-pages/_events

We need a re-think about how events are captured, and how they are rendered on the blog / author profile. The (internal) documentation should be updated too.

[ColinEberhardt]

We still need more discussion to work out a suitable route forwards