feat(rocksdb): support ToplingDB provider

[WaterWhisperer]

Purpose of the PR

Add ToplingDB support as an optional RocksDB-compatible storage path.

This PR rebases and prepares the existing ToplingDB adaptation work for review on the current master. ToplingDB is integrated as an optional provider for RocksDB-based storage, allowing users to enable RocksDB/ToplingDB configuration and the ToplingDB Web UI while preserving the standard RocksDB path.

Main Changes

• Add hugegraph-rocksdb-provider module
• Update HugeGraph Server RocksDB integration
• Add ToplingDB preload support in server dist
• Add PD / Store ToplingDB integration
• Add Maven / CI / dependency metadata updates
• Add ToplingDB docs and specs

Verifying these changes

• Trivial rework / code cleanup without any test coverage. (No Need)
• Already covered by existing tests, such as (please modify tests here).
• Need tests and can be verified as follows:
  • Built packaged dist artifacts for Server / PD / Store
  • Verified packaged rocksdbjni-8.10.2-SNAPSHOT.jar contains ToplingDB resources including org/rocksdb/SidePluginRepo.class
  • Ran Server with ToplingDB enabled
  • Ran Server without rocksdb.option_path
  • Ran PD / Store with ToplingDB config

Does this PR potentially affect the following parts?

• Dependencies (add/update license info & regenerate_known_dependencies.sh)
• Modify configurations
• The public API
• Other affects (typed here)
  • Adds native library preload logic for ToplingDB-enabled RocksDB JNI runtime.
  • Adds optional ToplingDB Web UI support.
  • Adds RocksDB provider SPI and routes RocksDB opening through the provider loader.
• Nope

Documentation Status

• Doc - TODO
• Doc - Done
• Doc - No Need