Remaps Alt_l arrow keys using hjkl

home/common/optional/desktop/dwm/music_player.nix

@@ -39,6 +39,7 @@
                format          "44100:16:2"
         }
         
+        bind_to_address "127.0.0.1"  
           '';
     musicDirectory = "~/mus/music_data";
   };

hosts/citadel/default.nix

@@ -74,12 +74,20 @@ in
       CPU_SCALING_GOVERNOR_ON_AC = "ondemand";
       CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
 
-      START_CHARGE_THRESH_BAT0 = 80;
-      STOP_CHARGE_THRESH_BAT0 = 85;
+      START_CHARGE_THRESH_BAT0 = 50;
+      STOP_CHARGE_THRESH_BAT0 = 95;
+    };
+  };
 
-      USB_BLACKLIST_PHONE = 1;
-    };
-  };
+  # Remap Alt_L +[hjkl] to left down up right
+  services.xserver.displayManager.sessionCommands =
+    "${pkgs.xorg.xmodmap}/bin/xmodmap ${pkgs.writeText  "xkb-layout" ''
+      keycode 64 = Mode_switch
+      keycode 43 = h H Left H
+      keycode 44 = j J Down J
+      keycode 45 = k K Up K
+      keycode 46 = l L Right L
+  ''}";
 
   hardware = {
     bluetooth = {