Set up persist directories with files.

README.md

@@ -35,3 +35,14 @@ Installation
 - sudo btrfs property get -ts /mnt/root-blank
 - cd ~/nixverse
 - sudo nixos-install --root /mnt --flake .#[systemname]
+- sudo mkdir -p /mnt/persist/etc
+- sudo mkdir -p /mnt/persist/var/lib
+- sudo mkdir -p /mnt/persist/var/log
+- sudo mkdir -p /mnt/persist/home
+- sudo mkdir -p /mnt/persist/root
+- sudo cp -a /mnt/etc/. /mnt/persist/etc/
+- sudo cp -a /mnt/var/lib/. /mnt/persist/var/lib
+- sudo cp -a /mnt/var/log/. /mnt/persist/var/log
+- sudo cp -a /mnt/home/. /mnt/persist/home/
+- sudo cp -a /mnt/root/. /mnt/persist/root/
+- reboot