DIY force simulation using d3-force-pod.
forked from vasturiano's block: Use the Force
Updated missing url //unpkg.com/d3-bboxCollide to //unpkg.com/d3-bboxcollide
https://unpkg.com/d3-force-pod/dist/d3-force-pod.js
https://d3js.org/d3.v4.min.js
https://unpkg.com/d3-bboxCollide
https://unpkg.com/d3-force-attract
https://unpkg.com/d3-force-bounce
https://unpkg.com/d3-force-cluster
https://unpkg.com/d3-force-container
https://unpkg.com/d3-force-magnetic
https://unpkg.com/d3-force-surface