feat: add mpv module

modules/home/applications/mpv.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  lib,
+  osConfig ? null,
+  ...
+}:
+let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.ataraxia.programs.mpv;
+
+  gpu = if (osConfig != null) then osConfig.ataraxia.defaults.hardware.gpuVendor else null;
+in
+{
+  options.ataraxia.programs.mpv = {
+    enable = mkEnableOption "Enable mpv program";
+  };
+
+  config = mkIf cfg.enable {
+    programs.mpv = {
+      enable = true;
+      config = {
+        vo = "gpu-next";
+        gpu-context = "wayland";
+        save-position-on-quit = "yes";
+        hwdec = if gpu == "nvidia" then "vdpau" else "vaapi";
+      };
+    };
+
+    defaultApplications.media-player = {
+      cmd = "${config.programs.mpv.package}/bin/mpv";
+      desktop = "mpv";
+    };
+
+    persist.state.directories = [
+      ".config/mpv"
+    ];
+  };
+
+}

modules/home/roles/default.nix

@@ -81,6 +81,7 @@ in
         ataraxia.programs.default.enable = mkDefault true;
         ataraxia.programs.firefox.enable = mkDefault true;
         ataraxia.programs.kitty.enable = mkDefault true;
+        ataraxia.programs.mpv.enable = mkDefault true;
         ataraxia.programs.vscode.enable = mkDefault true;
         ataraxia.wayland.enable = mkDefault true;
         ataraxia.wayland.hyprland.enable = mkDefault true;