Even though it's already described at README that you should copy the config file, the install.sh could warn either way if there is no install/config file instead of going ahead with the install process, which, of course, will fail.

To be honest, I never used Vagrant. Hell.. I don't even know what it's about. lol That being said, I only saw the vagrant.sample at the config folder so I automatically didn't copy it and tried to run the install.sh either way to see what happens. There is no error-exception handling there.

Despite my dumbness, the rest went really well. Good job.

Here It was installed with fr_FR.UTF-8 with the french layout as well. Usually, that's not a problem, but, for example, I had to press a to get the q.