Add comment link and count to TwentySeventeen

//twentyseventeen/template-parts/post/content.php
<header class="entry-header">
        <?php
        if ( 'post' === get_post_type() ) {
            echo '<div class="entry-meta">';
                if ( is_single() ) {
                    twentyseventeen_posted_on();
                    echo ' - '; comments_popup_link();
                } else {
                    echo twentyseventeen_time_link();
                    echo ' - '; comments_popup_link();
                    twentyseventeen_edit_link();
                };
            echo '</div><!-- .entry-meta -->';
        };

        if ( is_single() ) {
            the_title( '<h1 class="entry-title">', '</h1>' );
        } elseif ( is_front_page() && is_home() ) {
            the_title( '<h3 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h3>' );
        } else {
            the_title( '<h2 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h2>' );
        }
        ?>
    </header><!-- .entry-header -->