Updates for production version of d3

rollup.config.js

@@ -0,0 +1,9 @@
+import nodeResolve from "rollup-plugin-node-resolve";
+
+export default {
+	  entry: "d3-funcs.js",
+	  format: "umd",
+	  moduleName: "d3",
+	  plugins: [nodeResolve({jsnext: true})],
+	  dest: "d3.js"
+};