update use-webpack-dev-server

Author: iSpring

tutorials/webpack-dev-server/logo.png

@@ -1,3 +1,3 @@
 body{
-    background: blue;
+    color: blue;
 }

tutorials/webpack-dev-server/src/Circle.js

@@ -0,0 +1,5 @@
+import "./index.css";
+
+var div = document.createElement("div");
+div.textContent = "Babel + Webpack + React + Redux";
+document.body.appendChild(div);

tutorials/webpack-dev-server/src/Rectangle.js

@@ -4,7 +4,7 @@ var webpack = require('webpack');
 
 module.exports = {
   entry: {
-    main: "./src/main"
+    main: "./src/index.js"
   },
   output: {
     path: path.join(__dirname, "buildOutput"),
@@ -13,11 +13,9 @@ module.exports = {
   module: {
     loaders: [{
       test: /\.js$/,
-      exclude: /node_modules/,
       loader: 'babel'
     }, {
       test: /\.css$/,
-      exclude: /node_modules/,
       loader: 'style!css'
     }]
   },