title: Apache Airflow: Delay a task for some period of time
body: <p>I am trying to execute a task after 5 minutes from the parent task inside a DAG.</p>
  
  <p>DAG : Task 1 ----> Wait for 5 minutes ----> Task 2</p>
  
  <p>How can I achieve this in Apache Airflow? Thanks in advance.</p>