Add generic CentOS 8 kickstart

Mostly for test VMs created with `c8-testvm`

centos8.ks

@@ -0,0 +1,84 @@
+# vim: set ft=sh :
+
+text
+install
+url --url=http://mirror.centos.org/centos/8/BaseOS/x86_64/os
+repo --name=AppStream --baseurl=http://mirror.centos.org/centos/8/AppStream/x86_64/os/
+lang en_US.UTF-8
+keyboard us
+timezone --utc UTC
+rootpw --plaintext aaa
+shutdown
+
+bootloader --location mbr
+clearpart --all --initlabel
+reqpart
+part /boot --fstype xfs --size=200
+part pv.01 --size=1 --grow
+volgroup centos pv.01
+logvol / --fstype xfs --name=root --vgname=centos --size=3072
+logvol /home --fstype xfs --name=home --vgname=centos --size=100
+logvol /var --fstype xfs --name=var --vgname=centos --size=1024 --grow
+logvol /var/log --fstype xfs --name=var_log --vgname=centos --size=1024
+
+%packages
+@^minimal-environment
+
+%end
+
+#%packages --nocore
+#@core --nodefaults
+#-biosdevname
+#-btrfs-progs
+#-firewalld
+#-initscripts
+#-iprutils
+#-irqbalance
+#-kexec-tools
+#-man-db
+#-parted
+#-plymouth
+#-teamd
+#-tuned
+#avahi
+#qemu-guest-agent
+#systemd-networkd
+#systemd-resolved
+#%end
+
+#services --enabled systemd-networkd,systemd-resolved
+
+%addon com_redhat_kdump --disable
+%end
+
+#%post
+#install -d /root/.ssh
+#cat > /root/.ssh/authorized_keys <<EOF
+#ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJsL5fSylmiJmBtW0DH/viAAmtU2E/2M17GPvysiyRs+ dustin@rosalina
+#EOF
+#
+#sed -i 's/use-ipv6=.*/use-ipv6=yes/' /etc/avahi/avahi-daemon.conf
+#
+#hostname -f > /etc/hostname
+#
+#rm -rf /etc/sysconfig/network-scripts /etc/sysconfig/network
+#ln -sf /run/systemd/resolve/resolv.conf /etc/resolv.conf
+#mkdir -p /etc/systemd/network
+#cat > /etc/systemd/network/99-default.network <<EOF
+#[Match]
+#Name=*
+#
+#[Network]
+#DHCP=true
+#EOF
+#
+## Mount tmpfs at /tmp
+#systemctl enable tmp.mount
+#
+## Generate SSH host keys before first boot, since / will be read-only then
+#/usr/sbin/sshd-keygen
+#
+## Enable read-only rootfs. This cannot be done with part/logvol, as that would
+## make Anaconda mount it read-only befor the installation starts.
+#sed -i -r '/\S+\s+\/\s+/s/defaults/ro/' /etc/fstab
+#%end