Folders and files descriptions: 

aframe_interactions_domEvents: attempt to do interactions with dom events (adapted/taken from here: https://aframe.io/docs/0.7.0/introduction/javascript-events-dom-apis.html)
- Run index.html

aframe_interactions_npmPackage: attempt to do interactions with npm package (adapted/taken from here: https://www.npmjs.com/package/aframe-mouse-cursor-component) 
- Run index.html

aframe_multiplemarkers
- Run index.html