feat(plugins): add api_key_ui plugin

[yzbf-lin]

Summary

This PR adds the api_key_ui frontend plugin to the plugin marketplace via git submodule.

The plugin is published from a standalone frontend plugin repository and follows the frontend plugin sharing workflow described in the FBA plugin documentation.

Changes

• Add plugins/api_key_ui as a new git submodule
• Register the plugin in .gitmodules
• Regenerate plugin marketplace metadata:
  • plugins-data.ts
  • plugins-data.json

Plugin Repository

• Repo: https://github.com/yzbf-lin/api_key_ui
• Branch: master

Plugin Capabilities

The api_key_ui plugin provides an API Key management page with:

• List and search by name
• Create API Key
• Edit API Key
• Quick enable / disable
• Copy API Key
• Expire time selection with presets

[github-actions]

Plugin TOML Validation Report

Status: ✅ All Passed

✅ api_key_ui

Field	Value	Status
summary	API Key UI	✅
version	0.0.1	✅
description	API Key 前端管理插件，提供列表、搜索、新增、编辑、启停与复制能力	✅
author	yzbf-lin	✅
icon	-	➖
tags	auth	✅
database	-	➖