c6d1ae10e1
add proxy header to nginx config example
```
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
```
Signed-off-by: rock2dust <its@baronbunny.cn>
Signed-off-by: rock2dust <its@baronbunny.cn>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>