Add pubsub node forwarder

[vunb]

Description

Tạo tiến trình lắng nghe sự kiện pub/sub và forward vào API hệ thống.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have run tests (npm run test & npm run e2e) that prove my fix is effective or that my feature works