[Summary] integrate new module PD into hugegraph

[VGalaxies]

subtask of https://github.com/apache/incubator-hugegraph/issues/2265

• license header
  • [x] https://github.com/apache/incubator-hugegraph/pull/2446
• CI
  • [x] https://github.com/apache/incubator-hugegraph/pull/2480
  • [x] https://github.com/apache/incubator-hugegraph/pull/2492
• to master
  • [x] https://github.com/apache/incubator-hugegraph/pull/2460
  • [x] https://github.com/apache/incubator-hugegraph/pull/2498
  • [x] https://github.com/apache/incubator-hugegraph/pull/2478
  • [x] https://github.com/apache/incubator-hugegraph/pull/2528
  • [x] https://github.com/apache/incubator-hugegraph/pull/2532
  • [x] https://github.com/apache/incubator-hugegraph/pull/2536

[dosubot[bot]]

It seems like you've got this under control, if you want help or have specific questions, let me know what I can do for you!

#### About Dosu

This response is meant to be useful and save you time. It is **not meant to be a precise solution**, but rather a starting point for your own research. Help me be more useful! Please leave a 👍 if this is helpful and 👎 if it is irrelevant. If you want to continue the conversation, start your reply with @dosu-bot.