Исправлена сериализация

src/YTMPV/core.cpp

@@ -37,6 +37,7 @@ namespace core {
             {"fullscreen",  this->m_launch_fullscreen},
             {"ontop",       this->m_launch_ontop},
             {"miniplayer",  this->m_launch_miniplayer},
+            {"apikey",      this->m_apikey},
         };
         std::string dump = j_object.dump(1, '\t');