fix(core): update

ts/smartsmtp.plugins.ts

@@ -1,13 +1,9 @@
 // @pushrocks scope
 import * as smartmail from '@pushrocks/smartmail';
 
-export {
-  smartmail
-};
+export { smartmail };
 
 // third party scope
 import * as nodemailer from 'nodemailer';
 
-export {
-  nodemailer
-};
+export { nodemailer };