added a reasonable nginx config as example in the selfhosted page (#4280)

.github/assets/nginx.conf

@@ -0,0 +1,29 @@
+server {
+    listen       80;
+    server_name  _;
+
+    root   /usr/share/nginx/html;
+    index  index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+        add_header X-Frame-Options "DENY";
+        add_header X-Content-Type-Options "nosniff";
+        add_header X-XSS-Protection "1; mode=block";
+        add_header Referrer-Policy "no-referrer-when-downgrade";
+    }
+
+    location ~* \.(?:css|js|jpg|jpeg|gif|png|svg|ico|woff2?)$ {
+        expires 30d;
+        add_header Cache-Control "public";
+    }
+
+    error_log  /var/log/nginx/error.log warn;
+    access_log /var/log/nginx/access.log;
+}
+
+gzip on;
+gzip_types text/plain text/css application/javascript application/json image/svg+xml;
+gzip_min_length 1000;
+gzip_proxied any;
+gzip_vary on;

docs/other/selfhosting.md

@@ -130,4 +130,8 @@ There are a few variables you can change if you wish to disable them:
 
     # PowerShell
     rm -r -fo docs/.vitepress/cache
-    ```
+    ```
+
+### Reverse Proxy
+
+You should be able to use any reverse proxy with this vitepress website, but find a reasonable config for an nginx server [in the repo here](https://github.com/fmhy/edit/blob/main/.github/assets/nginx.conf)