Add cloudflare warning (#337)

* I updated the cloudflare mdx to say that "If your DNS provider is Cloudflare - do not use Proxying for the CNAME record". Flo and I agreed this would be good to add.

* I updated the cloudflare mdx to say that "If your DNS provider is Cloudflare - do not use Proxying for the CNAME record". Flo and I agreed this would be good to add.

* added noindex:true

* delete snippet

* revert seo page

---------

Co-authored-by: Hahnbee Lee <[email protected]>

Author: dino475

advanced/subpath/cloudflare.mdx

@@ -6,13 +6,17 @@ description: "Host documentation at a /docs subpath using Cloudflare Workers"
 ## Create Cloudflare Worker
 
 Navigate to the `Workers & Pages > Create application > Create worker`. You
-should be able to presented with the following screen where you can create a new
+should be presented with the following screen where you can create a new
 Cloudlfare worker.
 
 <Frame>
   <img alt="Create a Cloudflare worker" src="/images/cloudflare/worker.png" />
 </Frame>
 
+<Warning>
+    Keep in mind: If your DNS provider is Cloudflare you should not use proxying for the CNAME record
+</Warning>
+
 ### Add custom domain
 
 Once the worker is created, click `Configure worker`. Navigate to the worker