implemented rename function

bsp_q7s/memory/FileSystemHandler.h

@@ -10,6 +10,7 @@
 #include "fsfw/memory/HasFileSystemIF.h"
 
 #include <string>
+#include <filesystem>
 
 class CoreController;
 
@@ -61,6 +62,7 @@ private:
 
     void fileSystemHandlerLoop();
     void fileSystemCheckup();
+    std::filesystem::path getInitPath(FileSystemArgsIF* args);
     void parseCfg(FsCommandCfg* cfg, bool& useMountPrefix);
 };