restored social navigation for stow

stow/template-parts/header/header-content.php

@@ -1,4 +1,5 @@
 <header id="masthead" class="site-header">
 	<?php get_template_part( 'template-parts/header/site', 'branding' ); ?>
 	<?php get_template_part( 'template-parts/header/site', 'navigation' ); ?>
+	<?php get_template_part( 'template-parts/header/social', 'navigation' ); ?>
 </header><!-- #masthead -->