TODO build mobile yurl from this: /home/sarnobat/db.git/2022/yurl_flatfile_db/2022/yurl_master_images.txt
TODO 2023-08: put runnable code
/home/sarnobat/computers.git/mac/bin/cgi_hello_world.sh
Use python's simple CGI server
python3 -m http.server --bind localhost --cgi 8000