[FEATURE] Add `pixiu-admin` CI test

[Alanxtl]

✅ 验证清单

• 🔍 我已经搜索过 现有 Issues，确信这不是重复请求
• 📋 我已经查看了 发布说明，确信此功能尚未实现

🎯 功能描述

Currently, the CI workflow doesn't include any pixiu-admin related test. The CI should include:

1. try build pixiu-admin based on docker-compose
2. other tests ?

[0xjah]

Hi @Alanxtl,
May I be assigned to this issue? I’d like to work on it to improve my skills in this area.

[Alanxtl]

Hi @Alanxtl,
May I be assigned to this issue? I’d like to work on it to improve my skills in this area.

of course, thanks for your contribution

You can refer to admin/README.md for instructions on compiling and running the admin.