Set playground as dev server content base

For consistency with scratch-vm.
The redirect from index to playground was already unnecessary.

Makefile

@@ -10,7 +10,7 @@ watch:
 	$(WEBPACK) --watch --watch-poll
 
 serve:
-	$(WEBPACK_DEV_SERVER) --host 0.0.0.0 --content-base ./
+	$(WEBPACK_DEV_SERVER)
 
 # ------------------------------------------------------------------------------
 

index.html

@@ -1,7 +0,0 @@
-<!DOCTYPE HTML>
-<html>
-<head>
-    <meta http-equiv="refresh" content="0; URL='/playground'" />
-	<title>Redirect to playground</title>
-</head>
-</html>

package.json

@@ -12,6 +12,7 @@
   "main": "./dist.js",
   "scripts": {
     "prepublish": "make build",
+    "start": "make serve",
     "test": "make test"
   },
   "dependencies": {},
@@ -24,6 +25,7 @@
     "eslint": "2.7.0",
     "gh-pages": "0.11.0",
     "json-loader": "0.5.4",
+    "lodash.defaultsdeep": "4.6.0",
     "raw-loader": "0.5.1",
     "svg-to-image": "1.1.3",
     "tap": "5.7.1",

webpack.config.js

@@ -2,6 +2,10 @@ var path = require('path');
 var webpack = require('webpack');
 
 var base = {
+    devServer: {
+        contentBase: path.resolve(__dirname, 'playground'),
+        host: '0.0.0.0'
+    },
     module: {
         loaders: [
             {