Add PokemonParty class.

src/Battling/Pokemon/PokemonParty.hpp

@@ -0,0 +1,21 @@
+#ifndef PKMNLIB_POKEMONPARTY_HPP
+#define PKMNLIB_POKEMONPARTY_HPP
+
+#include <CreatureLib/Battling/Models/CreatureParty.hpp>
+#include <utility>
+#include "Pokemon.hpp"
+namespace PkmnLib::Battling {
+    class PokemonParty : public CreatureLib::Battling::CreatureParty {
+    public:
+        PokemonParty(std::vector<CreatureLib::Battling::Creature*> party)
+            : CreatureLib::Battling::CreatureParty(std::move(party)) {}
+        PokemonParty(std::initializer_list<CreatureLib::Battling::Creature*> party)
+            : CreatureLib::Battling::CreatureParty(party) {}
+
+        Pokemon* GetAtIndex(int index) const {
+            return dynamic_cast<Pokemon*>(CreatureLib::Battling::CreatureParty::GetAtIndex(index));
+        }
+    };
+}
+
+#endif // PKMNLIB_POKEMONPARTY_HPP