🚧 Finish user configuration loading and implement working workstation setup

modules/nixos/services/docker/default.nix

@@ -0,0 +1,20 @@
+{
+  lib,
+  self,
+  config,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  inherit (self) namespace;
+
+  cfg = config.${namespace}.services.docker;
+in {
+  options.${namespace}.services.docker = {
+    enable = mkEnableOption "the docker service.";
+  };
+
+  config = mkIf cfg.enable {
+    # Enable docker
+    virtualisation.docker.enable = true;
+  };
+}