[Feature] support Go-client for hugegraph & welcome to discuss it

[izliang]

Feature Description (功能描述)

I have developed a client based on the Go language, and I want to make it an official client for the community.

Code location:

• https://github.com/izliang/go-hugegraph (original code)
• feature(client): support go client for hugegraph #514 (Apache PR - WIP)

I plan to differentiate SDKs for various languages such as Java/Go/Python in the directory hugegraph-toolchain/hugegraph-client/ making it convenient for everyone to use hugegraph.

• implement core struct & basic CI/Test frame
• refer license-doc to add license header
• fix 3rd-party dependence problems (ASF required)
• support more REST-API
• add more test for the module
• ...

Update 2023.08.28 API TODO list

• rest-api
  • versions
  • vertex-api
  • edge-api
  • schema-api
  • gremlin-api

Are you willing to submit a PR?

• Yes I am willing to submit a PR!