fix: remove contact_shadow between bar and attached panels

Reviewed-on: #99

modules/home-manager/noctalia.nix

@@ -70,6 +70,8 @@
           radius = 0;
           scale = 1.2;
           widget_spacing = 20;
+          # no dark gradient on the seam between the bar and attached panels (e.g. control center)
+          contact_shadow = false;
           start = [
             "control-center"
             "cpu"

modules/nixos/docker.nix

@@ -12,4 +12,10 @@
       registry-mirrors = [ "https://mirror.gcr.io" ];
     };
   };
+
+  # k3s/k3d in rootless docker needs the cpuset controller delegated to the user session
+  systemd.services."user@".serviceConfig.Delegate = "cpu cpuset io memory pids";
+
+  # let rootless docker publish ports 80/443 (e.g. k3d traefik ingress)
+  boot.kernel.sysctl."net.ipv4.ip_unprivileged_port_start" = 80;
 }