Initial version of nginx parser roundtrip test

certbot-compatibility-test/nginx/nginx-roundtrip-testdata/qwebric/redirect.conf

@@ -0,0 +1,6 @@
+server {
+    listen 127.0.0.1:80;
+    listen [::1]:80;
+    server_name webchat.domain.tld;
+    return 301 $scheme://webchat.domain.tld:8080$request_uri;
+}

certbot-compatibility-test/nginx/nginx-roundtrip-testdata/qwebric/reverse-proxy.conf

@@ -0,0 +1,18 @@
+server {
+    listen 127.0.0.1:80;
+    listen [::1]:80;
+
+    server_name webchat.domain.tld;
+
+    access_log /home/web/log/qwebirc.access.log;
+    error_log /home/web/log/qwebirc.error.log;
+
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header Host $host;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_buffering off;
+
+    location / {
+        proxy_pass http://127.0.0.1:9090;
+    }
+}