feat: init media server system profile

system/profiles/mediaServer/default.nix

@@ -0,0 +1,17 @@
+{ config, lib, ... }:
+let
+  cfg = config.systemProfile.mediaServer;
+in 
+{
+  imports = [
+    ../../modules
+  ];
+  
+  config = lib.mkIf cfg.enable {
+    systemModules = {
+      services = {
+        jellyfin.enable = true;
+      };
+    };
+  };
+}