How are you planning on using pluggable architecture? - Use Cases Poll

# How are you planning on using pluggable architecture?
This issue want to collect use cases and plugin on kubesphere 4.0 use pluggable architecture.

**What would you like to be added:**
Use cases and high-level architectures.

**what plugin you want to develop:**
Plugin you are wanted to add to kubesphere.

This issue requests use cases and high-level architectures for KubeSphere 4.0's pluggable architecture, along with plugin ideas. No files, tests, or implementation entry points are named. Start by reviewing the surrounding project context and existing discussion; the work is complete when the requested use cases and plugin proposals are documented.

Written by the indexing model from the issue text.