EasyEngine allows overriding its default behavior via it’s own config file.
Config file location is present at:
			/opt/easyengine/config/config.yml
		
		Following are config options and their default values:
| Key | Allowed Value | Default Value | Purpose | 
| locale | Any Valid WordPress Locale | en_US | To download and setup WordPress in specified language during site creation. | 
| ee_installer_version | stable, nightly  | stable | Decides which version to update to by default if no parameters are passed in ee cli update. | 
| le-mail | Valid email address. | – | Mail  | 
| preferred_ssl_challenge | http, dns  | http | Set Letsencrypt  |