feat(desktop): add mpv configuration module

modules/hm/desktop/mpv.nix

@@ -0,0 +1,24 @@
+{
+  flake.modules.homeManager.desktop =
+    { pkgs, ... }:
+    {
+      programs.mpv = {
+        enable = true;
+
+        scripts = (
+          with pkgs.mpvScripts;
+          [
+            modernz
+            thumbfast
+            mpris
+            mpv-image-viewer.image-positioning
+          ]
+        );
+
+        config = {
+          osc = "no";
+          border = "no";
+        };
+      };
+    };
+}