How to deploy custom plugins in the webprortal?

[hlyf-xs]

Organization Name:

Short summary about the issue/question:
I want to add some plugins by myself or an external URL to the WebPortal, how to deploy them? For example, I want to add a Harbor page to the WebPortal, so I can see my private images on the WebPortal.
Brief what process you are following:

How to reproduce it:

OpenPAI Environment:

• OpenPAI version: v1.8.0
• Cloud provider or hardware configuration:
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Hardware (e.g. core number, memory size, storage size, GPU type etc.):
• Others:

Anything else we need to know: