Update rollup config

rollup.config.js

@@ -1,9 +1,11 @@
 import babel from 'rollup-plugin-babel';
 
 export default {
-    entry: 'src/index.js',
+    input: 'src/index.js',
-    format: 'umd',
+    output: {
-    moduleName: 'c3',
+        format: 'umd',
+        name: 'c3',
+    },
     plugins: [babel({
         presets: [['es2015', {
             modules: false