feat!: add Card(u32) newtype and Hand changed to Cards(Vec<Card>) newtype

feat!: add Card(u32) newtype and Hand changed to Cards(Vec<Card>) newtype

`Hand` struct changed from Hand { cards } to newtype Cards(Vec<Card>)
Cards and Card both implement std::str::FromStr and std::fmt::Display.
Card implements TryForm<u32> PartialEq and PartialOrd (compares ranks)
Card provides get(), suit() and rank() methods, mostly helpers for
std::fmt::Display
Cards now implements init_deck(), shuffle_cards() and removen(name might
change)
Simulation example updated