Merge pull request #14 from plotly/add-code-of-conduct

adding code of conduct

Update README.md with "maintained by Plotly" badge

more app polishing

allow x zoom

change sum

add an aggregation and map legend toggle

2 pane layout for small screens

higher contrast colors

make app prettier

screencast in readme

Merge branch 'master' of github.com:plotly/dash-opioid-epidemic-demo

screencast

rm broken image

requirements.txt