[Improvement] Support the rest catalog backend for lakehouse-iceberg catalog

### What would you like to be improved?

Now, we supported jdbc and hive backend for lakehouse-iceberg catalog. We should support rest backend for lakehouse-iceberg, too.

### How should we improve?

_No response_

Start by reading the existing JDBC and Hive backend implementations for the lakehouse-iceberg catalog and determine the integration points for a REST backend. Define the required REST configuration and behavior, then verify that the lakehouse-iceberg catalog supports REST alongside the existing backends.

Written by the indexing model from the issue text.