sdmc_factory: Add accessor for SDMC Album directory

src/core/file_sys/sdmc_factory.cpp

@@ -36,4 +36,8 @@ PlaceholderCache* SDMCFactory::GetSDMCPlaceholder() const {
     return placeholder.get();
 }
 
+VirtualDir SDMCFactory::GetImageDirectory() const {
+    return GetOrCreateDirectoryRelative(dir, "/Nintendo/Album");
+}
+
 } // namespace FileSys

src/core/file_sys/sdmc_factory.h

@@ -26,6 +26,8 @@ public:
     RegisteredCache* GetSDMCContents() const;
     PlaceholderCache* GetSDMCPlaceholder() const;
 
+    VirtualDir GetImageDirectory() const;
+
 private:
     VirtualDir dir;