chore: add zzz to system declaration

buer.scm

@@ -3,6 +3,7 @@
  #|GNU  |# (gnu)
  #|Guix |# (guix)
  #|Radix|# (radix artwork)
+           (radix packages admin)
            (radix packages linux)
            (radix packages text-editors)
            (radix packages shells)
@@ -95,7 +96,7 @@
 
  #|System level packages|#
  (packages
-  (list #|admin       |# htop inetutils isc-dhcp opendoas shadow
+  (list #|admin       |# htop inetutils isc-dhcp opendoas shadow zzz
         #|base        |# coreutils diffutils findutils grep patch sed tar which
         #|certs       |# nss-certs
         #|compression |# bzip2 gzip lzip unzip xz zstd