Add Gutenberg content to blog page on Astra

astra_blog_gutenberg_content.php

//Please add this to your functions.php

/**
 * This snippet adds Blog page Gutenberg content before the posts grid on Astra theme if you are using a static homepage.
 *
 * First create a page for displaying posts, for example "Blog", add any Gutenberg block.
 * Then on settings assign a static frontpage and the created "Blog" page to blog posts.
 * 
 * You can now add any block content to the "Blog" page and it will be shown before the posts loop.
 */

if ( ! function_exists( 'astra_blog_page_title_and_content' ) ) {
	function astra_blog_page_title_and_content() {
		if ( is_home() ) { ?>
			<section class="ast-archive-description">
			<?php 
				$page_for_posts_id = get_option('page_for_posts');
				echo get_post_field( 'post_content', $page_for_posts_id ); 
			?>
			</section>
		<?php }
	}
	add_action( 'astra_primary_content_top', 'astra_blog_page_title_and_content' );
}