* filtering ChinaSo-News results by source, option ``chinaso_news_source``
* add ChinaSo engine to the online docs https://docs.searxng.org/dev/engines/online/chinaso.html
* fix SearXNG categories in the settings.yml
* deactivate ChinaSo engines ``inactive: true`` until [1] is fixed
* configure network of the ChinaSo engines
[1] https://github.com/searxng/searxng/issues/4694
Signed-off-by: @BrandonStudio
Co-authored-by: Markus Heiser <markus.heiser@darmarit.de>
