Compared to ``lightbulb`` theme we used in the past for the dark theme, the
``monokai`` has a better contrast [1].

BTW, the result list of SearXNG should not act as a code-checker: The border &
color of class ``.err`` (used for syntax errors) has been removed / code
snippets are often not well formed nor valid code and the rendering of such code
fragments as errors obscures the view on the code snippet.

[1] https://pygments.org/styles/

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

SPDX short-form identifiers to communicate license information in a simple,
efficient, portable and machine-readable manner [1]

[1] https://spdx.dev/learn/handling-license-info/

PR #4947 upgraded the pygment, but forgot to apply the change to the static
files::

    $ ./manage vite.simple.build

Related:

- https://github.com/searxng/searxng/pull/4947

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>