Add SSH access for Romain.

* romain.pub: Add public SSH key.
* admins.scm: Add `rgarbage` user for Romain.
* head-node.scm: Add Romain's public key to SSH configuration.
* build-node.scm: Add Romain's public key to SSH configuration.

admins.scm

@@ -10,4 +10,5 @@
   (list (account "ludo" "Ludovic Courtès")
         (account "florent" "Florent Pruvost")
         (account "eagullo" "Emmanuel Agullo")
-        (account "jlelaura" "Julien Lelaurain")))
+        (account "jlelaura" "Julien Lelaurain")
+	(account "rgarbage" "Romain Garbage")))

build-node.scm

@@ -71,6 +71,7 @@
                             `(("ludo" ,(local-file "ludo.pub"))
                               ("florent" ,(local-file "florent.pub"))
                               ("eagullo" ,(local-file "manu.pub"))
+			      ("rgarbage" ,(local-file "romain.pub"))
                               ("root" ,(local-file "ludo.pub"))))))
 
                  ;; Start a Cuirass "worker".

head-node.scm

@@ -392,6 +392,7 @@
                               ("florent" ,(local-file "florent.pub"))
                               ("eagullo" ,(local-file "manu.pub"))
                               ("jlelaura" ,(local-file "julien.pub"))
+			      ("rgarbage" ,(local-file "romain.pub"))
                               ("root" ,(local-file "ludo.pub"))))))
 
                  (service unattended-upgrade-service-type

romain.pub

+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINN+lu7BPrB/CS7ZgTqQak/nKKaGbz0n7H4AW8kG+R+2 romain@guix-A102