Fix header link to point to root docs page

[rkratky]

$subj

[YanisaHS]

@rkratky This is supposed to change where this link goes, right?

It 404s when I tested it from the RTD build check - is that expected because it's a temporary link..? Or does it need to be /airgapped? (I'm not sure)

[rkratky]

This is supposed to change where this link goes, right?

Yes.

It 404s when I tested it from the RTD build check - is that expected because it's a temporary link..?

Oh, must've missed something. Not expected. Thanks for catching that. Let me retest.

[rkratky]

Ah, ok. I'm not 200% sure, but I think you're right. It's only 404ing because it's the test build for the canonical-ubuntu-documentation-library project, i.e. for documentation.ubuntu.com, so it uses the slug.

Now, I'd think that pointing to the root would point to the base of a particular docs set, but here it pbbly points to documentation.ubuntu.com/, so adding the slug is needed (which then makes impossible to test on local...).

Trying it...

[rkratky]

Yup, it now works in the PR, so I hope it'll be the same in prod, too 😇

[YanisaHS]

We'll see!! ⭐

[rkratky]

It worked :)