Include a short intro video on cdevents.dev

[e-backmark-ericsson]

It could be based on our of our previously held CDEvents intros used in various conferences.

[agardnerIT]

I'd be happy to record this. See the OpenFeature intro videos I did as an example: https://www.youtube.com/watch?v=heQ83k15ZE4

[afrittoli]

Thanks @agardnerIT, that would be great!
Would you like to prepare a script for the video to start with?