Establish initial structure, create demo.html

So far this does nothing but clear the screen to magenta, but it's a
start.

webpack.config.js

@@ -0,0 +1,35 @@
+var path = require('path');
+var webpack = require('webpack');
+
+module.exports = {
+    entry: {
+        'render-webgl': './src/index.js',
+        'render-webgl.min': './src/index.js'
+    },
+    devtool: 'source-map',
+    output: {
+        path: __dirname,
+        filename: '[name].js'
+    },
+    module: {
+        loaders: [
+            {
+                test: /\.json$/,
+                loader: 'json-loader'
+            },
+            {
+                test: /\.(glsl|vs|fs|frag|vert)$/,
+                loader: 'raw-loader' // we might want a GLSL loader if we use includes
+            }
+        ]
+    },
+    plugins: [
+        new webpack.optimize.UglifyJsPlugin({
+            include: /\.min\.js$/,
+            minimize: true,
+            compress: {
+                warnings: false
+            }
+        })
+    ]
+};