pleroma.instance gen static gen don't create files without raising an error
While creating a instance config with
mix pleroma.instance gen it prompts questions.
When it asks where should be store static files, to provide
~/instance/static don't create files such as
~/instance/static because that directories isn't created.
upload directory is set as
~/upload, that folder isn't created.
When default settings are kept, these directories are created and files too.