x/website: "Writing Web Applications" Link in Go documentation is broken

[rajeshksv]

What version of Go are you using (go version)?

$ go version
NA

Does this issue reproduce with the latest release?

NA

What operating system and processor architecture are you using (go env)?

go env Output

$ go env
NA

What did you do?

1. Go to https://golang.org/doc
2. Click on "Writing Web Applications"
3. It redirects to "https://golang.org/doc/articles/wiki/" where it simply says
   "open REDACTED: file does not exist"

What did you expect to see?

I expected a sample web application

What did you see instead?

Some random error message
"open REDACTED: file does not exist"

[seankhliao]

Duplicate of #44314