Changes the dataflow SVG to bottom-to-top drawing
Changes the dataflow SVG to bottom-to-top drawing

sky-xu/deepdive,HazyResearch/deepdive,sky-xu/deepdive,zifeishan/deepdive,HazyResearch/deepdive,zifeishan/deepdive,HazyResearch/deepdive,zifeishan/deepdive,shahin/deepdive,zifeishan/deepdive,HazyResearch/deepdive,zifeishan/deepdive,shahin/deepdive