Kuksa Readme

Put together the README file for the Databroker of the Kuksa project. This can be used as a template for other projects.

Input on how we can improve it, e.g. what information is missing, can we make information easier accessible etc.

Current Kuksa Databroker Readme: https://github.com/eclipse/kuksa.val/blob/master/kuksa_databroker/README.md

Template: https://gitlab.eclipse.org/eclipse-wg/sdv-wg/sdv-community-public/documentation/-/blob/main/README-templates/README-kuksa.md?ref_type=heads

Additional Resources:

• https://www.freecodecamp.org/news/how-to-write-a-good-readme-file/
• https://dev.to/merlos/how-to-write-a-good-readme-bog
• https://www.youtube.com/watch?v=5wsaiek7KoM