Update quickstart
Update quickstart

Remove ▶ from CLI commands as well as remove .dab reference.

rupalibehera/kompose,procrypt/kompose,ashetty1/kompose,surajnarwade/kompose,skippbox/kompose,kubernetes/kompose,kadel/kompose,procrypt/kompose,kadel/kompose,kubernetes/kompose,rupalibehera/kompose,skippbox/kompose,cdrage/kompose,surajnarwade/kompose,skippbox/kompose,rupalibehera/kompose,surajnarwade/kompose,cdrage/kompose,ashetty1/kompose,procrypt/kompose,ashetty1/kompose