Missed images/diagrams for RFCs

![image](https://github.com/kamu-data/kamu-docs/assets/29308899/5a97eaa1-1917-454c-9c90-e93034016765)

- Double-check [ODF/images/](https://github.com/open-data-fabric/open-data-fabric/tree/master/src) & [ODF/src/images/](https://github.com/open-data-fabric/open-data-fabric/tree/master/images) (there are outdated pictures)
- Add the images to this repo

