This site Demo needs to be runned in VS Code Live Server.
To run it you have to put your local address and path to site folder in the file js/core.js.
This site is made as SPA, so it has some "backend logic". All this "backend logic" made inside of frontend part. Site uses templates stored in txt files, and operates with them. Google Chrome and other browsers do not support local "GET" requests, so it has to be run on some local server in order to work.
To generate new database, based on img folder run code.py