reenabled docker and winboat for clhickey-nixos

docker.nix

@@ -0,0 +1,15 @@
+{ lib, config, ... }:
+let cfg = config.cos.docker; in
+{
+  options.cos.docker = {
+    enable = lib.mkEnableOption "Enable Docker";
+  };
+
+  config = lib.mkIf cfg.enable {
+    virtualisation.docker.enable = true;
+
+    users.users.${config.cos.username}.extraGroups = [
+      "docker"
+    ];
+  };
+}