[Enhancement] eventmesh server go standalone connector

[walleliu1016]

Search before asking

• [X] I had searched in the issues and found no similar issues.

Enhancement Request

Complete the standalone connector

Describe the solution you'd like

You can refers to the standalone implemented by java

Are you willing to submit PR?

• [ ] Yes I am willing to submit a PR!

[horoc]

I want to fix this issue, please assign it to me, thanks.

[kirinzhu]

@horoc Welcome, look forward to your PR! Thank you