Add Custom link or text in view order page under user's my account page in WooCommerce for a particular page

functions.php

//Providing the Gold pack download link on view order page under my account page.
add_action( 'woocommerce_view_order', 'before_woocommerce_order_details', 5 );
function before_woocommerce_order_details($order_id){
  $order = wc_get_order( $order_id );
	$items = $order->get_items(); 
	foreach ( $items as $item_id => $item ) {
		$product_id = $item->get_variation_id() ? $item->get_variation_id() : $item->get_product_id();
		if ( $product_id === 8936 ) {
			if( $order->get_status() == 'processing' || $order->get_status() == 'completed' ) {
			echo '<h3 style="background: #70C0AD;font-size: 20px;padding: 20px;margin-bottom: 30px; color: #fff;">In this order, you have purchased <a href="h#" target="_bkank" style="Color: #000; font-weight: bold;">Kidney Solution Gold Pack</a>. Please download the package from <a href="#" target="_bkank" style="Color: #000; font-weight: bold;">HERE</a>.</h3>';
			}
		}
	}
}