Move PHP tags on it’s own line & correct indention

This fixes a few of the errors from the news sniffs in WPCS 0.12.0 and also standardizes the indention between the PHP and HTML

single.php

@@ -7,13 +7,15 @@
  * @package _s
  */
 
-get_header(); ?>
+get_header();
+?>
 
 	<div id="primary" class="content-area">
 		<main id="main" class="site-main">
 
 		<?php
-		while ( have_posts() ) : the_post();
+		while ( have_posts() ) :
+			the_post();
 
 			get_template_part( 'template-parts/content', get_post_type() );