readme update

README.md

@@ -47,16 +47,48 @@ foreach ($schedules as $schedule) {
     echo $schedule->format('Y-m-d H:i')."<br/>";
 }
 
+
+examples :
+
+$schedules = \Jupitern\Scheduler\Scheduler::instance()
+    ->add('2030-01-01 12:35')
+    ->add('2030-01-01 16:50')
+    ->addRecurring('+2 hours')
+    ->getNextSchedules('2016-01-01 00:00:00', 10);
+
+/*
+output:
+2016-01-01 02:00
+2016-01-01 04:00
+2016-01-01 06:00
+2016-01-01 08:00
+2016-01-01 10:00
+2016-01-01 12:00
+2016-01-01 14:00
+2016-01-01 16:00
+2016-01-01 18:00
+2016-01-01 20:00
+*/
+
+$schedules = \Jupitern\Scheduler\Scheduler::instance()
+    ->setTimeFrame('08:00', '17:00')
+    ->add('2030-01-01 12:35')
+    ->add('2030-01-01 16:50')
+    ->addRecurring('+2 hours')
+    ->getNextSchedules('2016-01-01 00:00:00', 10);
+
 /*
 output:
-2020-01-01 08:00
-2020-01-01 12:35
-2020-01-01 16:00
-2020-01-02 08:00
-2020-01-02 16:00
-2020-01-03 08:00
-2020-01-03 16:00
-2020-01-04 08:00
+2030-01-01 10:00
+2030-01-01 12:00
+2030-01-01 12:35
+2030-01-01 14:00
+2030-01-01 16:00
+2030-01-01 16:50
+2030-01-01 18:00
+2030-01-02 10:00
+2030-01-02 12:00
+2030-01-02 14:00
 */
 
 ```