The usual way to force adding an empty directory in systems that ignores empty directories is to add a hidden file in each such directory:

$ touch directoryname/.empty_dir
$ git add directoryname/.empty_dir
$ git push

With git, you may choose to use .gitignore in place of .empty_dir above (really, any hidden name will do).

The usual way to force adding an empty directory in systems that ignores empty directories is to add a hidden file in each such directory:

$ touch directoryname/.empty_dir
$ git add directoryname/.empty_dir
$ git push

With git, you may choose to use .gitignore in place of .empty_dir above (really, any name will do, and the only reason to use a hidden filename is to avoid seeing it when you list the directory's contents with ls).