BREAKING CHANGE(core): switch to esm

ts/smartmetrics.plugins.ts

@@ -1,26 +1,17 @@
 // node native
 import * as os from 'os';
 
-export {
-  os
-}
+export { os };
 
 // pushrocks scope
 import * as smartdelay from '@pushrocks/smartdelay';
 import * as smartlog from '@pushrocks/smartlog';
 
-export {
-  smartdelay,
-  smartlog
-}
+export { smartdelay, smartlog };
 
 // third party scope
 import pidusage from 'pidusage';
 import pidtree from 'pidtree';
 import * as promClient from 'prom-client';
 
-export {
-  pidusage,
-  pidtree,
-  promClient
-}
+export { pidusage, pidtree, promClient };