refactor: move Weather instance to WorldInfo

src/interfaces/Serializable.hpp

@@ -9,4 +9,10 @@ public:
     virtual ~Serializable() {}
     virtual dv::value serialize() const = 0;
     virtual void deserialize(const dv::value& src) = 0;
+
+    void deserializeOpt(const dv::optionalvalue& opt) {
+        if (opt.ptr) {
+            deserialize(*opt.ptr);
+        }
+    }
 };