Create webpack.config.js and add webpack to dependencies

- The webpack configuration will build the client-side bundle
  to `public` directory
- Add webpack to dependencies to ensure it's installed
  (we shouldn't assume that it's installed globally)

Author: remarkablemark

package.json

@@ -19,7 +19,8 @@
     "babel-register": "^6.9.0",
     "express": "^4.13.4",
     "react": "^15.0.2",
-    "react-dom": "^15.0.2"
+    "react-dom": "^15.0.2",
+    "webpack": "^1.13.1"
   },
   "devDependencies": {},
   "private": true,

webpack.config.js

@@ -0,0 +1,19 @@
+module.exports = {
+    entry: './client.js',
+    output: {
+        filename: 'bundle.js',
+        path: 'public'
+    },
+    module: {
+        loaders: [
+            {
+                test: /\.jsx$/,
+                exclude: /node_modules/,
+                loader: 'babel-loader',
+                query: {
+                    presets: ['react']
+                }
+            }
+        ]
+    }
+};