fix(core): update

ts/smartmetrics.plugins.ts

@@ -15,8 +15,12 @@ export {
 }
 
 // third party scope
+import pidusage from 'pidusage';
+import pidtree from 'pidtree';
 import * as promClient from 'prom-client';
 
 export {
+  pidusage,
+  pidtree,
   promClient
 }