Add jupiter USB key

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/jupiter/default.nix

@@ -38,6 +38,13 @@
   # TODO: DNS for .local
   networking.hostName = "jupiter";
 
+  boot.initrd = {
+    luks.devices.main.keyFile = "/usb/keyfile";
+    systemd.contents."/etc/fstab".text = ''
+      UUID=8E50-CD43 /usb vfat ro,umask=0377
+    '';
+  };
+
   # TODO: Enable
   # fileSystems."/mnt/storage" = {
   #   label = "storage";