FileSystem: Add RenamePath()

src/common/file_system.h

@@ -182,6 +182,9 @@ bool DirectoryExists(const char* Path);
 // delete file
 bool DeleteFile(const char* Path);
 
+// rename file
+bool RenamePath(const char* OldPath, const char* NewPath);
+
 // open files
 std::unique_ptr<ByteStream> OpenFile(const char* FileName, u32 Flags);