Merge pull request #734 from johanrd/missing-code-snippet-in-docs

docs: Fix that code snippets were rendered as [object Object]

docs/app/templates/public-pages/docs/styles.hbs

@@ -18,15 +18,19 @@
   There is only four variables you can tweak (Sass syntax)
 </p>
 
-{{get-code-snippet "styles-1.scss"}}
+{{#let (get-code-snippet "styles-1.scss") as |snippet|}}
+  <CodeBlock @language="scss" @code={{snippet.source}} />
+{{/let}}
 
 <p>
   If by example you want to change the colour of the overlay to be blue, you
   could do this in your
   <code>app.scss</code>/<code>app.less</code>.
 </p>
 
-{{get-code-snippet "styles-2.scss" }}
+{{#let (get-code-snippet "styles-2.scss") as |snippet|}}
+  <CodeBlock @language="scss" @code={{snippet.source}} />
+{{/let}}
 
 <p>
   In the next sections we'll give in more involved customizations.