Update Hestia nginx.conf for filemanager (limit access to dist folder)

src/deb/nginx/nginx.conf

@@ -129,6 +129,11 @@ http {
             internal;
         }
 
+        location /fm/ {
+            alias /usr/local/hestia/web/fm/dist/;
+            index index.php;
+        }
+
         location ~ \.php$ {
             include         /usr/local/hestia/nginx/conf/fastcgi_params;
             fastcgi_param   SCRIPT_FILENAME /usr/local/hestia/web/$fastcgi_script_name;