system: move xrandr to system config

home/home.nix

@@ -113,16 +113,9 @@ in
     };
   };
 
-  xsession.initExtra = ''
-    xrandr --output HDMI-A-0 --rotate right --left-of DisplayPort-1
-  '';
-
   xdg = {
     enable = true;
     configFile = {
-      # add config for alacritty terminal
-      # "alacritty/alacritty.yml".source = ../programs/alacritty/alacritty.yml;
-
       "stylish-haskell/config.yaml".source = ../programs/stylish-haskell/config.yml;
     };
   };

system/configuration.nix

@@ -80,6 +80,20 @@ in
       xkbVariant = "dvorak,";
       xkbOptions = "grp:win_space_toggle";
 
+      xrandrHeads = [
+        {
+          output = "DisplayPort-1";
+          primary = true;
+        }
+        {
+          output = "HDMI-A-0";
+          monitorConfig = ''
+            Option "Rotate" "right"
+            Option "LeftOf" "DisplayPort-1"
+          '';
+        }
+      ];
+
       displayManager = {
         defaultSession = "none+xmonad";
       };