This makes container/k8s deployment much easier.

Before this, it was not shipped with the sdist or wheel and thus migrations were
unavailable for package-based installs.

apply layout of "template preview" for index page "schilder preview"

Closes #1

See merge request !6

Styling for login pages

See merge request !7

TypeScript 5.6 did things to loading this config, and running `webpack` from the
root breaks.  Sigh.

Auth

See merge request !5

Design

See merge request !4