create blog posts from markdown files

routes/blog/[slug].html

@@ -1,8 +1,8 @@
 <svelte:head>
-	<title>{post.title}</title>
+	<title>{post.metadata.title}</title>
 </svelte:head>
 
-<h1>{post.title}</h1>
+<h1>{post.metadata.title}</h1>
 
 <div class='content'>
 	{@html post.html}