feat: labels and examples for swr resources

[dombisza]

labels and examples for swr resources

Fixes #32

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

kubectl apply -f examples/swr

NAME                                                     SYNCED   READY   EXTERNAL-NAME                      AGE                               19h
userv3.identity.opentelekomcloud.crossplane.io/swr-op    True     True      76s

NAME                                                   SYNCED   READY   EXTERNAL-NAME             AGE
domainv2.swr.opentelekomcloud.crossplane.io/domain-1   True     True      80s

NAME                                                                  SYNCED   READY   EXTERNAL-NAME                      AGE
organizationpermissionsv2.swr.opentelekomcloud.crossplane.io/user-1   True     True      80s

NAME                                                           SYNCED   READY   EXTERNAL-NAME   AGE
organizationv2.swr.opentelekomcloud.crossplane.io/test-org-1   True     True    test-org-1      80s

NAME                                                          SYNCED   READY   EXTERNAL-NAME   AGE
repositoryv2.swr.opentelekomcloud.crossplane.io/test-repo-1   True     True    test-repo-1     80s