pinwheel: Remove docker and podman in favor of containers

hosts/pinwheel/modules/containers/default.nix

@@ -0,0 +1,36 @@
+{ pkgs, lib, config, ... }:
+let
+  dockerEnabled = config.mod.containers.docker.enable;
+  podmanEnabled = config.mod.containers.podman.enable;
+in
+{
+  options = {
+    mod.containers = {
+      docker = {
+        enable = lib.mkEnableOption "enable docker";
+      };
+
+      podman = {
+        enable = lib.mkEnableOption "enable podman";
+      };
+    };
+  };
+
+  config = {
+    virtualisation = {
+      docker = lib.mkIf dockerEnabled {
+        enable = true;
+      };
+
+      podman = lib.mkIf podmanEnabled {
+        enable = true;
+      };
+    };
+
+    users.users.alex.extraGroups = lib.mkIf dockerEnabled [ "docker" ];
+
+    home-manager.users.alex = lib.mkIf dockerEnabled {
+      home.packages = [ pkgs.docker-compose ];
+    };
+  };
+}