Added IntelliJ project files to gitignore. Deleted accidentally added .iml file
Refactored express config into separate folder.
Added the registration model for the backend.
Added server config for email, backend and routes.
Added email-templates.
Added Action, event and registration controllers for the backend.
Add node mailer as a dependency.
Add route configuration dependency in the main node configuration file.
Refactor dummydata into separate folder to support more loaders
Add testdata loader for registrations