Make homepage post title a link

src/pages/index.js

@@ -16,7 +16,7 @@ export default function Home({ data }) {
 	return (
 		<Page headerInfo={siteMetadata}>
 			<article className="post">
-				<h1 className="post-title">{post.frontmatter.title}</h1>
+				<h1 className="post-title"><a href={post.fields.slug}>{post.frontmatter.title}</a></h1>
 				<div className="post-info d-flex justify-content-start">
 					<time dateTime={post.frontmatter.isoDate} className="post-date">
 						{post.frontmatter.formattedDate}, {post.frontmatter.fromNowDate}