Versioning of Designsystemet apps

[mimarz]

We need to figure out a good way for keeping older versions of Designsystemet documentation, this is mostly important for when we get to v2 and need to keep a copy of v1 documentation for users that haven't upgraded or decided to stay on v1.

[Barsnes]

I can add this to #4010. It would add a new deployment for each release

[Barsnes]

I can add this to #4010. It would add a new deployment for each release

I did not add this. But should be simple enough to add this. Making sure a domain is added after deployment is done might be an issue,