[Containers] Adds me to the docker group by default with container-dev

system/features/container-dev.nix

@@ -23,4 +23,7 @@
         export DOCKER_HOST=unix://$XDG_RUNTIME_DIR/docker.sock
       '';
     };
+
+  # add me to the docker group so I can access it.
+  users.users.drew.extraGroups = [ "docker" ];
 }