helm 支持更多自定义字段

**What is the feature you want to add?**
- 支持 service label and annotation
- server支持添加环境变量

**Why do you want to add this feature?**
- service label在很多地方是很重要的
- 可以通过环境变量注入secret，避免配置文件里面写明

**How to implement this feature?**
- 我会提交一个PR

**Additional context**
Add any other context or screenshots about the feature request here.
