docs(guides): move the comparison guide out of the guides section

This isn't really as much of an instructional as it is just information about
different bundling and build systems.

Author: skipjack

components/footer/footer.jsx

@@ -11,10 +11,10 @@ export default (props) => {
     <footer className="footer">
       <Container className="footer__inner">
         <section className="footer__left">
-          <Link className="footer__link" to="/guides/getting-started">Get Started</Link>
+          <Link className="footer__link" to="/guides/getting-started">Getting Started</Link>
           <Link className="footer__link" to="/organization">Organization</Link>
           <Link className="footer__link" to="/support">Support</Link>
-          <Link className="footer__link" to="/guides/comparison">Comparison</Link>
+          <Link className="footer__link" to="/comparison">Comparison</Link>
         </section>
 
         <section className="footer__middle">

content/guides/comparison.md renamed to content/comparison.md

@@ -13,7 +13,7 @@ contributors:
   - TheDutchCoder
 ---
 
-As you may already know, webpack is used to compile JavaScript modules. Once [installed](/guides/installation), you can interface with webpack either from its [CLI](/api/cli) or [API](/api/node). If you're still new to webpack, please read through the [core concepts](/concepts) and [this comparison](/guides/comparison) to learn why you might use it over the other tools that are out in the community.
+As you may already know, webpack is used to compile JavaScript modules. Once [installed](/guides/installation), you can interface with webpack either from its [CLI](/api/cli) or [API](/api/node). If you're still new to webpack, please read through the [core concepts](/concepts) and [this comparison](/comparison) to learn why you might use it over the other tools that are out in the community.
 
 
 ## Basic Setup
@@ -109,7 +109,7 @@ __src/index.js__
 +
   function component() {
     var element = document.createElement('div');
-  
+
 -   // Lodash, currently included via a script, is required for this line to work
 +   // Lodash, now imported by this script
     element.innerHTML = _.join(['Hello', 'webpack'], ' ');