Add back enums to docs (#557)

## Changes
Enums went missing from the documentation. This PR adds them back in.

See
https://databricks-sdk-py--557.org.readthedocs.build/en/557/dbdataclasses/catalog.html#databricks.sdk.service.catalog.ValidationResultOperation
for the missing enum.

## Tests
<!-- 
How is this tested? Please see the checklist below and also describe any
other relevant tests
-->

- [ ] `make test` run locally
- [ ] `make fmt` applied
- [ ] relevant integration tests applied

docs/dbdataclasses/billing.rst

@@ -28,10 +28,39 @@ These dataclasses are used in the SDK to represent API requests and responses fo
    :members:
    :undoc-members:
 
+.. py:class:: DeliveryStatus
+
+   The status string for log delivery. Possible values are: * `CREATED`: There were no log delivery attempts since the config was created. * `SUCCEEDED`: The latest attempt of log delivery has succeeded completely. * `USER_FAILURE`: The latest attempt of log delivery failed because of misconfiguration of customer provided permissions on role or storage. * `SYSTEM_FAILURE`: The latest attempt of log delivery failed because of an Databricks internal error. Contact support if it doesn't go away soon. * `NOT_FOUND`: The log delivery status as the configuration has been disabled since the release of this feature or there are no workspaces in the account.
+
+   .. py:attribute:: CREATED
+      :value: "CREATED"
+
+   .. py:attribute:: NOT_FOUND
+      :value: "NOT_FOUND"
+
+   .. py:attribute:: SUCCEEDED
+      :value: "SUCCEEDED"
+
+   .. py:attribute:: SYSTEM_FAILURE
+      :value: "SYSTEM_FAILURE"
+
+   .. py:attribute:: USER_FAILURE
+      :value: "USER_FAILURE"
+
 .. autoclass:: DownloadResponse
    :members:
    :undoc-members:
 
+.. py:class:: LogDeliveryConfigStatus
+
+   Status of log delivery configuration. Set to `ENABLED` (enabled) or `DISABLED` (disabled). Defaults to `ENABLED`. You can [enable or disable the configuration](#operation/patch-log-delivery-config-status) later. Deletion of a configuration is not supported, so disable a log delivery configuration that is no longer needed.
+
+   .. py:attribute:: DISABLED
+      :value: "DISABLED"
+
+   .. py:attribute:: ENABLED
+      :value: "ENABLED"
+
 .. autoclass:: LogDeliveryConfiguration
    :members:
    :undoc-members:
@@ -40,6 +69,31 @@ These dataclasses are used in the SDK to represent API requests and responses fo
    :members:
    :undoc-members:
 
+.. py:class:: LogType
+
+   Log delivery type. Supported values are:
+   * `BILLABLE_USAGE` — Configure [billable usage log delivery]. For the CSV schema, see the [View billable usage].
+   * `AUDIT_LOGS` — Configure [audit log delivery]. For the JSON schema, see [Configure audit logging]
+   [Configure audit logging]: https://docs.databricks.com/administration-guide/account-settings/audit-logs.html [View billable usage]: https://docs.databricks.com/administration-guide/account-settings/usage.html [audit log delivery]: https://docs.databricks.com/administration-guide/account-settings/audit-logs.html [billable usage log delivery]: https://docs.databricks.com/administration-guide/account-settings/billable-usage-delivery.html
+
+   .. py:attribute:: AUDIT_LOGS
+      :value: "AUDIT_LOGS"
+
+   .. py:attribute:: BILLABLE_USAGE
+      :value: "BILLABLE_USAGE"
+
+.. py:class:: OutputFormat
+
+   The file type of log delivery.
+   * If `log_type` is `BILLABLE_USAGE`, this value must be `CSV`. Only the CSV (comma-separated values) format is supported. For the schema, see the [View billable usage] * If `log_type` is `AUDIT_LOGS`, this value must be `JSON`. Only the JSON (JavaScript Object Notation) format is supported. For the schema, see the [Configuring audit logs].
+   [Configuring audit logs]: https://docs.databricks.com/administration-guide/account-settings/audit-logs.html [View billable usage]: https://docs.databricks.com/administration-guide/account-settings/usage.html
+
+   .. py:attribute:: CSV
+      :value: "CSV"
+
+   .. py:attribute:: JSON
+      :value: "JSON"
+
 .. autoclass:: UpdateLogDeliveryConfigurationStatusRequest
    :members:
    :undoc-members: