This PR contains the work done to define a `Page` protocol that extracts the HTML scaffolding that `IndexPage` and `ErrorPage` pages duplicated, so every page of the website declares only what makes it unique — its content, title, and assets — while the document structure lives in one place. Also cleans up imports across the workspace.
Reviewed-on: rock-n-code/loud-amsterdam#22
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
