https://stackoverflow.com/questions/12912048/how-to-maintain-aspect-ratio-using-html-img-tag https://stackoverflow.com/questions/12193803/invoke-python-simplehttpserver-from-command-line-with-no-cache-option https://stackoverflow.com/questions/27693982/python-server-with-images/39949133 https://stackoverflow.com/questions/28567733/how-to-encode-image-to-send-over-python-http-server
https://github.com/sachinchoolur/lg-pager https://www.jsdelivr.com/package/npm/lg-thumbnail https://www.jsdelivr.com/package/npm/lg-pager
http://sachinchoolur.github.io/lightGallery/1.1-docs/settings.html