Enable xdg-utils and xdg-desktop-portal

- xdg-utils is used for stuff like xdg-open and default applications
- xdg-desktop-portal is used for screensharing
diff --git a/modules/xdg.nix b/modules/xdg.nix
new file mode 100644
index 0000000..64cffaf
--- /dev/null
+++ b/modules/xdg.nix
@@ -0,0 +1,7 @@
+{pkgs, ...}: {
+  home.home.packages = [pkgs.xdg-utils];
+  config.xdg.portal = {
+    enable = true;
+    wlr.enable = true;
+  };
+}