migrate from std::filesystem::path to io::path (WIP)

src/assets/AssetsLoader.hpp

@@ -1,6 +1,5 @@
 #pragma once
 
-#include <filesystem>
 #include <functional>
 #include <map>
 #include <set>
@@ -14,6 +13,7 @@
 #include "typedefs.hpp"
 #include "Assets.hpp"
 #include "data/dv.hpp"
+#include "io/fwd.hpp"
 
 class ResPaths;
 class AssetsLoader;
@@ -73,7 +73,7 @@ class AssetsLoader {
         AssetType tag, const std::string& name, const dv::value& map
     );
     void processPreloadList(AssetType tag, const dv::value& list);
-    void processPreloadConfig(const std::filesystem::path& file);
+    void processPreloadConfig(const io::path& file);
     void processPreloadConfigs(const Content* content);
 public:
     AssetsLoader(Assets* assets, const ResPaths* paths);
@@ -109,6 +109,6 @@ public:
     static bool loadExternalTexture(
         Assets* assets,
         const std::string& name,
-        const std::vector<std::filesystem::path>& alternatives
+        const std::vector<io::path>& alternatives
     );
 };