Adding paper.js and setting up initial hello world for the canvas
convert index.html's inline JS into 2 classes, LatheWorkArea and PenTool
Setup initial drawing tool, 3d rendering and save
got bezier-curves working, but turning off for now
adding interface for lathe builder.
- download button
- num sides slider
- reset butotn
set up initial / usable UI
- adding font awesome for download and reset icons
- conditionally disabling download button
removing un-used example
cleanup and adding todos