Adding more pages and fixing some links and layout.

- Added test page for a game.
- Added link data to list of games.
- Moved blog content into main and section tags.
- Fixed typo in the about page.

src/routes/blog/index.svelte

@@ -1,4 +1,6 @@
 <script context="module">
+    import Banner from '../../components/banner.svelte'
+
     export function preload({params, query}) {
         return this.fetch(`blog.json`).then(r => r.json()).then(posts => {
             return {posts};
@@ -18,17 +20,23 @@
 </style>
 
 <svelte:head>
-    <title>Blog</title>
+    <title>Sirius - Blog</title>
 </svelte:head>
 
-<h1>Recent posts</h1>
+<Banner title="Blog"/>
 
-<ul>
-    {#each posts as post}
-        <!-- we're using the non-standard `rel=prefetch` attribute to
-                tell Sapper to load the data for the page as soon as
-                the user hovers over the link or taps it, instead of
-                waiting for the 'click' event -->
-        <li><a rel='prefetch' href='blog/{post.slug}'>{post.title}</a></li>
-    {/each}
-</ul>
+<main class="container">
+    <section>
+        <h1>Recent posts</h1>
+
+        <ul>
+            {#each posts as post}
+                <!-- we're using the non-standard `rel=prefetch` attribute to
+                        tell Sapper to load the data for the page as soon as
+                        the user hovers over the link or taps it, instead of
+                        waiting for the 'click' event -->
+                <li><a rel='prefetch' href='blog/{post.slug}'>{post.title}</a></li>
+            {/each}
+        </ul>
+    </section>
+</main>