Adding a "Buy More" button to your WooCommerce cart page - a simple technique to increase sales
In this way, you show a message to the customer asking if you want to add more products to the shopping cart.
You should put this code at the end of your function file and save it
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// Add "Continue shopping" button to Woocommerce cart page
add_action( 'woocommerce_before_cart_table', 'continue_shopping_button' );
function continue_shopping_button() {
$shop_page_url = get_permalink( woocommerce_get_page_id( 'shop' ) );
echo '<div class="woocommerce-message">';
echo ' <a href="/en/'.$shop_page_url.'/" class="button">Continue Shopping →</a> Would you like some more goods?';
echo '</div>';
}