framework7.md.min.css oder framework7.min.css? What’s the difference?
framework7.md.min.css: only material design (android)
framework7.ios.min.css: only IOS (apple)
framework.min.css: both android and ios
Are there other files to upload and load, if I want to use some features of framework7?
no, you need only these files.
“min” means “compressed” and not what is the minimum you need
And what about all directories “modules”, “ultis” ans so on? Do I not have to upload them?
no, if you use webpack (for example) you can add the components individually to make it lighter. For example:
import Searchbar from 'framework7/components/searchbar/searchbar.js';
import Calendar from 'framework7/components/calendar/calendar.js';
but you should read a bit about webpack before working in this way