feat: [wip] - implement scheduler

examples/tasks/scheduler.go

@@ -0,0 +1,22 @@
+package tasks
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/oarkflow/mq"
+)
+
+func SchedulerHandler(ctx context.Context, task *mq.Task) mq.Result {
+	fmt.Printf("Processing task: %s\n", task.ID)
+	return mq.Result{Error: nil}
+}
+
+func SchedulerCallback(ctx context.Context, result mq.Result) error {
+	if result.Error != nil {
+		fmt.Println("Task failed!")
+	} else {
+		fmt.Println("Task completed successfully.")
+	}
+	return nil
+}