cookie page revamp

[katesalazar]

There are texts about 3rd party cookies,
but I can't see any.

Related to tickets 848, 850, 857...

[maflcko]

In the past cloudflare may have been used?? https://developers.cloudflare.com/fundamentals/get-started/reference/cloudflare-cookies/#understanding-the-cloudflare-cookies

[superstreber3]

I think we should change the text on that page, will make a pr soon.