Add a new StorageClassOptions struct to the LVMCluster API that allows users to configure StorageClass options at the DeviceClass level.

Add a new StorageClassOptions struct to the LVMCluster API that allows users to configure StorageClass options at the DeviceClass level.

Acceptance Criteria:

•  StorageClassOptions struct added to api/v1alpha1/lvmcluster_types.go with fields:
  • reclaimPolicy (optional, enum: Delete/Retain, default: Delete)
  • volumeBindingMode (optional, enum: Immediate/WaitForFirstConsumer, default: WaitForFirstConsumer)
  • additionalParameters (optional map[string]string)
  • additionalLabels (optional map[string]string)
•  StorageClassOptions field added to DeviceClass struct (optional pointer)
•  All fields properly documented with comments
•  Appropriate kubebuilder validation markers added
•  make generate runs successfully and generates DeepCopy methods
•  make manifests runs successfully and updates CRD YAML
•  Backward compatibility maintained (all fields optional)