added kubernetes stuff

modules/k3s.nix

@@ -0,0 +1,13 @@
+{config, pkgs, lib, ...}:
+
+let
+  cfg = config.modules.k3s;
+in
+
+{
+  options.modules.k3s.enable = lib.mkEnableOption "Enable the k3s service";
+
+  config = lib.mkIf cfg.enable {
+    services.k3s.enable = true;
+  }
+}

modules/kubernetes.nix

@@ -0,0 +1,16 @@
+{config, pkgs, lib, ...}:
+
+let
+  cfg = config.modules.kubernetes;
+in
+
+{
+  optons.modules.kubernetes.enable =  lib.mkEnableOption "Enable MiniKube and Kubectl";
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      minikube
+      kubectl
+    ];
+  };
+}