feat: waybar displays

modules/waybar/default.nix

@@ -41,7 +41,12 @@ in
     ../../common/colors.nix
   ];
 
-  config = lib.mkIf cfg.enable
+  config =
+    let
+      displays_raw = config.modules.hyprland.displays;
+      displays = map (display_raw: lib.builtins.head (lib.strings.splitString "," displays_raw)) displays_raw;
+    in
+    lib.mkIf cfg.enable
       {
         modules.waybar.enabled = (
           let
@@ -70,10 +75,7 @@ in
               margin-top = 8;
               margin-left = 10;
               margin-right = 10;
-            output = [
-              "DP-3"
-              "DP-2"
-            ];
+              output = displays;
               modules-left = cfg.modules.left;
               modules-center = cfg.modules.center;
               modules-right = cfg.modules.right;