nix: add boot delay to systemd template units

Author: contrun

nix/home.nix

@@ -1082,6 +1082,9 @@ in
               WantedBy = [ "default.target" ];
               DefaultInstance = "default";
             };
+            Timer = {
+              OnBootSec = "1min";
+            };
             Service = let commonArgs = "-sshargs='-i %h/.ssh/id_ed25519_unison'"; in
               {
                 # watch and repeat parameter can't handle non-existent folders.
@@ -1114,6 +1117,9 @@ in
               WantedBy = [ "default.target" ];
               DefaultInstance = "default";
             };
+            Timer = {
+              OnBootSec = "1min";
+            };
             Service =
               {
                 # It is ok to pass a non-existent key file. Ssh will warn us, but won't panic.