imrebuild

You should use `./images/hfs.main` and `./images/hfs.sec` as the `WORKDIR` is `/home/arch/docker-eyeos`. The place you run docker command doesn't matter. https://github.com/sickcodes/Docker-eyeOS/blob/e5f196ad46f63c3c02b3f61faf0236def199c5b9/Dockerfile#L283