Setup custom path to wp-content folder in wp-config.php

wp-config.php

$scheme = 'http';

 // detect if we use HTTPS protocole
if ( isset( $_SERVER['HTTP_USER_AGENT_HTTPS'] ) && $_SERVER['HTTP_USER_AGENT_HTTPS'] == 'ON' ) {
	$scheme = 'https';
}

 // replace with subdomain name for static files
$static_folder_name = 'static';

// replace if you change default name
$wp_content_folder_name = 'wp-content';

$site_url = $scheme . '://' . $_SERVER['HTTP_HOST'] . '/';
$content_url = $scheme . '://' .  $static_folder_name . '.' .  $_SERVER['HTTP_HOST'] . '/' . $wp_content_folder_name;

define( 'WP_HOME', $site_url );
define( 'WP_SITEURL', $site_url );

define( 'WP_CONTENT_DIR', dirname(__FILE__) . '/' . $static_folder_name . '/' . $wp_content_folder_name );
define( 'WP_CONTENT_URL', $content_url );