index.php

<?php
/**
 * The main template file
 *
 * This is the most generic template file in a WordPress theme
 * and one of the two required files for a theme (the other being style.css).
 * It is used to display a page when nothing more specific matches a query.
 * E.g., it puts together the home page when no home.php file exists.
 *
 * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
 *
 * @package BCP_BLOG
 */

get_header(); 
global $index;
?>

	<div id="primary" class="content-area">
		<main id="main" class="site-main group">
			<div id="grid-wrapper" class="post-list group">
				<!-- <div class="post-row"> -->

		<?php
		if ( have_posts() ) :
			$index = 0;

			if ( is_home() && ! is_front_page() ) : ?>
				<header>
					<h1 class="page-title screen-reader-text"><?php single_post_title(); ?></h1>
				</header>

			<?php
			endif;

			/* Start the Loop */
			while ( have_posts() ) : the_post();

				/*
				 * Include the Post-Format-specific template for the content.
				 * If you want to override this in a child theme, then include a file
				 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
				 */
				get_template_part( 'template-parts/content', get_post_format() );
				$index++;
			endwhile;
			echo '<!-- </div> --><!-- .post-row -->';
			// the_posts_navigation();

		else :

			get_template_part( 'template-parts/content', 'none' );

		endif; ?>
			</div><!-- #grid-wrapper -->
		</main><!-- #main -->
	</div><!-- #primary -->

<?php
get_sidebar();
get_footer();