Add integration doc
Add integration doc

Adds an integration document that lists third-party organizations /
users that use Kompose in some-way or another.

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