iceshrimp: does not fail to build but doesn't work

modules/fedi/iceshrimp/default.nix

@@ -1,2 +1,13 @@
-{...}: {
-}
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}: let
+  inherit (lib) mkIf;
+  cfg = config.conf.fedi;
+  iceshrimp = pkgs.callPackage ./iceshrimp.nix {};
+in
+  mkIf cfg.enable {
+    environment.systemPackages = [iceshrimp];
+  }