Add README that shows people how to use this

dracut/README.txt

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+
+# for Fedora
+    dnf install -y dracut-network git-core
+    dnf install -y --nogpgcheck --repofrompath 'copr,https://copr-be.cloud.fedoraproject.org/results/dustymabe/ignition/fedora-$releasever-$basearch/' ignition
+
+# for centos
+    curl -L https://copr.fedorainfracloud.org/coprs/dustymabe/ignition/repo/epel-7/dustymabe-ignition-epel-7.repo > /etc/yum.repos.d/copr.repo
+    yum install -y ignition
+    rm /etc/yum.repos.d/copr.repo
+
+git clone https://github.com/dustymabe/bootengine.git
+rsync -avh ./bootengine/dracut/* /usr/lib/dracut/modules.d/
+
+dracut --add 'url-lib network ignition usr-generator' --install /usr/bin/ignition --force --verbose -N
+
+rm /etc/machine-id
+add 'coreos.config.url="https://dustymabe.fedorapeople.org/base.ign" ip=eth0:dhcp rd.neednet=1' to grub.cfg
+
+reboot