Chore: Move types to relevant packages

[bupd]

https://github.com/goharbor/harbor-cli/blob/main/pkg/api/types.go - We are planning to remove this file and move the types in this file to the relevant packages such as in the views package.

[xenonnn4w]

Sounds good! Taking it.

[rshdhere]

Sounds good! Taking it.

Hey @xenonnn4w! I already raised a PR for this (#669). Would love to collaborate or discuss the approach if you'd like to contribute together! 👍