Added `kedge delete` in user-guide (#220)
Added `kedge delete` in user-guide (#220)


surajnarwade/kedge,ashetty1/kedge,kadel/kedge,kedgeproject/kedge,cdrage/kedge,kedgeproject/kedge,cdrage/kedge,cdrage/kedge,surajnarwade/kedge,ashetty1/kedge,kedgeproject/kedge,surajnarwade/kedge,kadel/kedge