fixes #1406

See also:
https://daniel.haxx.se/blog/2023/01/08/copyright-without-years/
https://hynek.me/til/copyright-years/

see #1042
see #483

Showing the bootstrap state and showing there are unverified devices is
still missing.

It is intentionally impossible to add borders to blockquotes via CSS:
<https://bugreports.qt.io/browse/QTBUG-23244>.

Bug: https://github.com/Nheko-Reborn/nheko/issues/704

The actual reuseItems is still blocked on a few upstream bugs.

fixes #291

fixes #507

Sadly still required for replies, otherwise this would be perfect.

Limiting improves readability on wide monitors.

The immediate update of the settings is done by just exposing settings
as properties and then setting the settings as a context property.