fix(core): update

ts/smarttime.plugins.ts

@@ -5,11 +5,12 @@ import * as smartpromise from '@pushrocks/smartpromise';
 
 export { lik, smartdelay, smartpromise };
 
-// third parties
-import croner from 'croner';
+// third parties;
+const croner: any = require('croner');
 import dayjs from 'dayjs';
 import isToday from 'dayjs/plugin/isToday';
+import prettyMs from 'pretty-ms';
 
 dayjs.extend(isToday);
 
-export { croner, dayjs };
+export { croner, dayjs, prettyMs };