message: add documentation warning about server-snippet
diff: @@ -293,6 +293,10 @@ You can of course also redirect to any other URL not hosted on Lagoon, this will
  #### Trusted Reverse Proxies
  +{% hint style="warning" %}
  +Kubernetes will only process a single `nginx.ingress.kubernetes.io/server-snippet` annotation. Please ensure that if you use this annotation on a non-production environment route that you also include the `add_header X-Robots-Tag "noindex, nofollow";` annotation as part of your server-snippet. This is needed to stop robots from crawling development environments as the default server-snippet set to prevent this in development environments in the ingress templates will get overwritten with any `server-snippets` set in .lagoon.yml.
  +{% endhint %}
  +
  Some configurations involve a reverse proxy \(like a CDN\) in front of the Kubernetes Clusters. In these configurations the IP of the Reverse Proxy will appear as the `REMOTE_ADDR` `HTTP_X_REAL_IP` `HTTP_X_FORWARDED_FOR` headers field in your applications. While the original IP of the requester can be found in the `HTTP_X_ORIGINAL_FORWARDED_FOR` header.
  If you like the original IP to appear in the `REMOTE_ADDR` `HTTP_X_REAL_IP` `HTTP_X_FORWARDED_FOR` headers, you need to tell the ingress which reverse proxy IPs you want to trust:
  