Cornershop: API Fields needed in the Operator (placeholder)

Cornershop requested support for the following:
- taints/tolerations
- affinity rules
- ability to put custom annotations at pod level, service level, and ingress level (for nginx Ingress external authentication outproxy)

From the closed [helm chart parity issue](https://github.com/cockroachdb/cockroach-operator/issues/25):

- statefulset.labels | Additional labels of StatefulSet and its Pods | {"app.kubernetes.io/component": "cockroachdb"}
- statefulset.annotations | Additional annotations of StatefulSet Pods | {}
- statefulset.nodeAffinity | Node affinity rules of StatefulSet Pods | {}
- statefulset.podAffinity | Inter-Pod affinity rules of StatefulSet Pods | {}
- statefulset.podAntiAffinity | Anti-affinity rules of StatefulSet Pods | auto
- statefulset.podAntiAffinity.type | Type of auto anti-affinity rules | soft
- statefulset.podAntiAffinity.weight | Weight for soft auto anti-affinity rules | 100
- statefulset.nodeSelector | Node labels for StatefulSet Pods assignment | {}
- statefulset.tolerations | Node taints to tolerate by StatefulSet Pods | []
- service.public.annotations | Additional annotations of public Service | {}

No files or tests are named. Start by locating the operator's CRD and the reconciliation code that generates StatefulSets, Services, and Ingress resources, then trace how configuration is exposed. Done means supporting the requested taints, tolerations, affinity rules, and pod, service, and ingress annotations, with tests covering the generated resources.

Written by the indexing model from the issue text.