update logic and refactor code

backend/app/README.md

@@ -61,27 +61,8 @@ backend/
 
 3. **Ensure PHP and NGINX are configured**
 
-NGINX config example:
-    ```bash
-    server {
-        listen 80;
-        server_name *.lxdapp.local;
+    Check in backend/nginx.conf
 
-        root /var/www/html/lxd-app/backend/public;
-        index index.php;
-
-        location / {
-            try_files $uri /index.php?$query_string;
-        }
-
-        location ~ \.php$ {
-            fastcgi_pass unix:/run/php/php8.4-fpm.sock;
-            fastcgi_index index.php;
-            include fastcgi_params;
-            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
-            fastcgi_read_timeout 300;
-        }
-    }
 
 
 4. **Map domain in /etc/hosts**