Hackathon participant information

Instructions:

1. Please, make sure you have the latest version:
   git clone https://github.com/Remmeauth/remme-core
2. Switch to dev branch for up-to-date code:
   git checkout dev
3. Run make build_docker
4. Run make run_dev
5. Check out rest api mini documentation:
   http://localhost:8080/api.html#!/api .