First functional version of a blackboard and a blackboard based obicount

pkg/obiblackboard/display_task.go

@@ -0,0 +1,17 @@
+package obiblackboard
+
+import "fmt"
+
+func DisplayTask(bb *Blackboard, task *Task) *Task {
+	if task == nil {
+		return nil
+	}
+
+	fmt.Printf("Task: %s:\n%v\n\n", task.Role, task.Body)
+
+	return task
+}
+
+func (runner DoTask) Display() DoTask {
+	return runner.CombineWith(DisplayTask)
+}