Added layout to eleventy config and index page

.eleventy.js

@@ -1,4 +1,5 @@
 module.exports = function(eleventyConfig) {
+  eleventyConfig.addLayoutAlias('page', 'layouts/page')
 
   return {
     dir: {

src/index.md

@@ -1,3 +1,7 @@
+---
+layout: page
+---
+
 # Eleventy Not So Minimal Blog Starter
 
 This starter will help you build a relatively simple blog with a few key features, while using the Eleventy static site generator.