Initial version of nginx parser roundtrip test

certbot-compatibility-test/nginx/nginx-roundtrip-testdata/xenforo/nginx.conf

@@ -0,0 +1,18 @@
+server {
+
+    server_name     localhost;
+
+    root    html/xenforo;
+    index   index.php index.html;
+
+    location / {
+        try_files $uri $uri/ /index.php?$uri&$args;
+    }
+
+    location ~ \.php$ {
+        fastcgi_pass    127.0.0.1:9000;
+        fastcgi_param   SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        include         fastcgi_params;
+    }
+
+}