Study Buddy is an Alexa skill developed for a Human Computer Interaction class.
I'm learning development as I go here.
interactions.json is a JSON file of the interaction model that can be uploaded to the skill dashboard by the person who owns it. The schema for this json file is described here.
the backend folder is the files from the alexa developer console code tab (copy-pasted)
I've been learning using the CodeAcademy course
For testing, I've found this website