letsencrypt: add account.key

we will be doing dns challenges manually

flake.nix

@@ -90,6 +90,7 @@
 
             age.secrets.sasl-passwd.file = ./secrets/postfix_sasl_passwd.age;
             age.secrets.borgbackup-password.file = ./secrets/vno1-oh2/borgbackup/password.age;
+            age.secrets.letsencrypt-account-key.file = ./secrets/letsencrypt/account.key.age;
           }
         ];
 

secrets.nix

@@ -19,6 +19,7 @@ in {
   # vno1-oh2 + motiejus
   "secrets/hel1-a/zfs-passphrase.age".publicKeys = [vno1-oh2] ++ motiejus;
   "secrets/vno1-oh2/borgbackup/password.age".publicKeys = [vno1-oh2] ++ motiejus;
+  "secrets/letsencrypt/account.key.age".publicKeys = [vno1-oh2] ++ motiejus;
 
   # everywhere + motiejus
   "secrets/motiejus_passwd_hash.age".publicKeys = systems ++ motiejus;