Adding objects is done except for the dagger

include/characteristic/chance.hpp

@@ -8,6 +8,9 @@ namespace character::characteristic {
     public:
         Chance() noexcept: Characteristic(3, 0, 0, 0) {}
 
+        Chance(const std::uint32_t carac, const std::uint32_t materiel, const std::uint32_t additional) :
+                Characteristic(3, carac, materiel, additional) {}
+
         ~Chance() noexcept final = default;
 
         friend void from_json(const json &j, Chance &chance) {