Refactor codebase to use nix modules

hmModules/apps/media-viewers/mpv/default.nix

@@ -0,0 +1,22 @@
+{ config, pkgs, lib, ... }:
+
+{
+  options.mpv = {
+    enable = lib.mkEnableOption "Enables mpv";
+  };
+
+  config = lib.mkIf config.mpv.enable {
+    home.packages = with pkgs; [
+      yt-dlp
+    ];
+    programs.mpv = {
+      enable = true;
+      config = {
+        volume-max = 150;
+        force-window = "yes";
+        script-opts = "ytdl_hook-ytdl_path=yt-dlp";
+        ytdl-format = "bestvideo[height<=?1080][vcodec!=vp9]+bestaudio/best";
+      };
+    };
+  };
+}