add example shovel
add example shovel

0312birdzhang/alerta,mrkeng/alerta,guardian/alerta,skob/alerta,guardian/alerta,skob/alerta,guardian/alerta,skob/alerta,0312birdzhang/alerta,mrkeng/alerta,mrkeng/alerta,0312birdzhang/alerta,mrkeng/alerta,guardian/alerta,skob/alerta