Rooms are now styled randomly based on assets/styles.json which will evolve into specifications for themes of levels and rooms in them plus other configs.

config.hpp

@@ -14,6 +14,7 @@ struct Config {
   Config(nlohmann::json config, std::string src_path)
     : $config(config), $src_path(src_path) {}
 
+  nlohmann::json &operator[](size_t);
   nlohmann::json &operator[](const std::string &key);
   nlohmann::json &json() { return $config; };
   std::wstring wstring(const std::string main_key, const std::string sub_key);