Make first-load auto redirect page flash less noticeable

Author: jake-low

index.html

@@ -2,8 +2,10 @@
 layout: default
 ---
 
-<p>Welcome to the MapRoulette documentation website</p>
-<a href="/en-US">Click here if you are not redirected</a>
+<main style="grid-column: right">
+<p>Welcome to the MapRoulette documentation and learning site!</p>
+<a href="/en-US/">Click here if you are not redirected</a>
+</main>
 
 <script type="module">
 const LOCALES = {{ site.locales | jsonify }}