support grpc middleware for embed server

[Ehco1996]

i think it's helpful for many projects, i can do this work if anyone can help with the code review

[rleungx]

It's better to also support the stream interceptor.

[Ehco1996]

It's better to also support the stream interceptor.

thanks! i will try impl stream and unary interceptor in server ServerOption

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed after 21 days if no further activity occurs. Thank you for your contributions.

[jiacai2050]

Anyone working on this?

I'm glad to help if maintainers still think this is useful.