* Add coordinator demo (#48)
* Add test for step_3 in coordinator (#48)
* Add validation for participant selection in coordinator demo (#48)
* Add tests for validation in step_1 for coordinator (#48)
* Improve error handling in Coordinator (#48)
* Fix clippy error (#48)
* Improve usability for coordinator demo (#48)
Fix test values
Improve identifier input so it doesn't need to be in quotes
Remove unecessary text
natalie