feat: add faq for customizing nginx config

homepage/src/static/md/faq_other.md

@@ -139,3 +139,17 @@ server {
 ```shell
 proxy_set_header X-Forwarded-Proto $scheme;
 ```
+
+修改完成后运行命令检查配置文件
+```shell
+docker exec safeline-tengine nginx -t
+```
+检查应显示
+```shell
+nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
+nginx: configuration file /etc/nginx/nginx.conf test is successful
+```
+最后应用配置文件
+```shell
+docker exec safeline-tengine nginx -s reload
+```