Added the blackjack lib

blackjack/Deck.cpp

@@ -0,0 +1,30 @@
+#include "Deck.hpp"
+
+Deck::Deck(void)
+{
+    for (Iterable<Card::Suit> suit; suit < Card::Suit::end; suit++)
+    {
+        for (Iterable<Card::Rank> rank = Card::Rank::ACE; rank < Card::Rank::end; rank++)
+        {
+            cards_.push_back(std::make_unique<Card>(rank.val(), suit.val()));
+        }
+    }
+}
+
+void Deck::shuffledeck(void)
+{
+    std::random_device rd;
+    std::mt19937 g(rd());
+    std::shuffle(cards_.begin(), cards_.end(), g);
+}
+
+std::unique_ptr<Card> Deck::drawCard(void)
+{
+    if (cards_.empty())
+    {
+        return nullptr;
+    }
+    std::unique_ptr<Card> card = std::move(cards_.back());
+    cards_.pop_back();
+    return card;
+}