+-- board/
    +-- now
        +-- linux.config        # Our custom Linux kernel config
        +-- rootfs_overlay/     # Overrides for files in the root filesystem
            +-- root/           # User home folder
            +-- etc/
                +-- inittab     # We setup a ttyS0 console terminal to root
                +-- fstab       # We auto-mount the Plan 9 Filer filesystem to /root
                +-- profile     # To customize our individual work environment
            +-- opt/
                +--- now/       # Special files for Now
            +-- usr/
                +-- local/
                    +-- lib/    # For 3rd party libraries (nodejs)
    +-- configs/
        +-- now_defconfig       # Our custom buildroot config
    +-- Config.in               # empty, but required https://buildroot.org/downloads/manual/manual.html#outside-br-custom
    +-- external.mk             # empty, but required https://buildroot.org/downloads/manual/manual.html#outside-br-custom
    +-- external.desc           # our board config for make
    +-- build.sh                # entrypoint for build