Add colections to PC Firefox

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Bookmarks are literally old system to save your favourites sites, some browsers like Google, Opera and Edge can give you powerfull tool to save your websites easly and more readly. This not only link in taskbar, saved sites in collections also have image, can be grouped in categories, also have notes, quickly sreenshotes and much else (Opera). Would you like to bring Collections over bookmarks system in Mozilla Firefox? It's a thing like mobile version of Firefox, but much better.