style: utilise keep-sorted formatter

modules/nixos/features/tlp.nix

@@ -11,11 +11,13 @@ in
       tlp = {
         enable = true;
         settings = {
+          # keep-sorted start
           CPU_BOOST_ON_AC = 1;
           CPU_BOOST_ON_BAT = 0;
           CPU_SCALING_GOVERNOR_ON_AC = "performance";
           CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
           STOP_CHARGE_THRESH_BAT0 = 95;
+          # keep-sorted end
         };
       };
     };