FCC: D3 Tree Map
Data sets:
- Kickstarter Pledges: https://cdn.rawgit.com/freeCodeCamp/testable-projects-fcc/a80ce8f9/src/data/tree_map/kickstarter-funding-data.json
- Movie Sales: https://cdn.rawgit.com/freeCodeCamp/testable-projects-fcc/a80ce8f9/src/data/tree_map/movie-data.json
- Video Game Sales: https://cdn.rawgit.com/freeCodeCamp/testable-projects-fcc/a80ce8f9/src/data/tree_map/video-game-sales-data.json