feat(metrics): log directly to stdout (#1786)

* chore(commons): move isDevMode to commons

* chore(logger): move isDev config out of logger to commons

* feat(metrics): use own console object by default

* tests(layers): fix unit tests

Author: dreamorosi

Diff for: packages/metrics/tests/unit/middleware/middy.test.ts

@@ -169,7 +169,7 @@ describe('Middy middleware', () => {
         serviceName: 'orders',
       });
       const consoleSpy = jest.spyOn(metrics['console'], 'log');
-      const handler = middy(() => {
+      const handler = middy(async (): Promise<void> => {
         metrics.addMetric('successfulBooking', MetricUnit.Count, 2);
         metrics.addMetric('successfulBooking', MetricUnit.Count, 1);
       }).use(logMetrics(metrics));