Desktop entry parsing - improvements

[ata2001]

• Parse desktop files and list apps
• Handle arguments
• Display localized name of apps
• Desktop Actions
• Display icons

Desktop entry specification: https://standards.freedesktop.org/desktop-entry-spec/latest/

[ata2001]

Quoting @TheLastProject:

For displaying localized names, it'll probably be helpful to check settings['_locale'] that the module gets from Pext. It contains the locale Pext is in, so you don't have to do locale detection yourself.