Move docs to quarto for v1

[JoostBuitink]

Issue addressed

Fixes #224

Explanation

Moved all current docs to quarto format

Docs can be viewed via this link: https://deltares.github.io/Wflow.jl/quarto/

Additional Notes (optional)

Some items are still missing/need to be picked up

• Many internal links to other pages are not yet working
• The version switcher needs to be updated (check Delft-FIAT repo)
• Examples are missing, but can be added in the future