feat: init media server system profile

system/modules/services/jellyfin/default.nix

@@ -0,0 +1,32 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.systemModules.services.jellyfin;
+in
+
+{
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      jellyfin
+      jellyfin-web
+      jellyfin-ffmpeg 
+    ];
+    services.jellyfin = {
+      user = "jellyfin";
+      group = "media";
+      enable = true;
+      openFirewall = true;
+    };
+    users.users.jellyfin = {
+      isSystemUser = true;
+      group = "media";
+    };
+    users.groups.media = {};
+
+    fileSystems."/media" = {
+      device = "/dev/disk/by-label/ooksmedia";
+      fsType = "ntfs";
+      options = [ "rw" "uid=1000" "gid=991" "umask=002" ];
+    };
+  };
+}