Add newlines to end of new configuration files

Co-authored-by: jeremystucki <7629727+jeremystucki@users.noreply.github.com>

Author: Copilot

common/1password.nix

@@ -27,4 +27,4 @@
     partOf = ["graphical-session.target"];
     wantedBy = ["graphical-session.target"];
   };
-}
+}

common/desktop-gnome.nix

@@ -27,4 +27,4 @@
   };
 
   environment.sessionVariables.NIXOS_OZONE_WL = "1";
-}
+}

common/nix-settings.nix

@@ -3,4 +3,4 @@
     "nix-command"
     "flakes"
   ];
-}
+}

darwin-configuration.nix

@@ -47,4 +47,4 @@
     touchIdAuth = true;
     watchIdAuth = true;
   };
-}
+}