* Initial Digital Ocean as a new provider

* chore: vendor dependencies

* Remove zone parameter from ApplyChanges and Records

* fix(digitalocean): fix correct imports, unshadow a variable

* fix(digitalocean): respect domain-filter if provided

* add changes to digital ocean provider from PR review (#3)

* fix tests and bugs in find suitable zones for digital ocean (#5)

* tests failed due to wrong formatting

* add digitalocean integration to the main and more tests

* fix suitable zone for digital ocean