Choropleth map with selectable countries

A choropleth map with selectable countries.

This example demonstrates the changes neede for migration from VizHub to local development. Namely:

Required packages are added to package.json.
Script tags for libraries are removed from index.html.
Externals and globals can be removed from rollup.config.js.

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<!DOCTYPE html>
<html>
  <head>
    <title>Map with Selectable Countries</title>
    <link rel="stylesheet" href="styles.css">
  </head>
  <body>
    <svg width="960" height="500"></svg>
    <script src="bundle.js"></script>
  </body>
</html>
​
    