fix(core): update

ts/smartmetrics.plugins.ts

@@ -1,7 +1,9 @@
 // node native
+import * as v8 from 'v8';
 import * as os from 'os';
+import * as fs from 'fs';
 
-export { os };
+export { v8, os, fs };
 
 // pushrocks scope
 import * as smartdelay from '@pushrocks/smartdelay';