add nixops4 to panel shell, follow-up to #411, reverting the now-obsolete #406

panel/README.md

@@ -4,9 +4,9 @@ The Fediversity Panel is a web service for managing Fediversity deployments with
 
 ## Development
 
-- To obtain all tools related to this project, enter the development environment in the root directory by `nix-shell`, then similar from this directory.
+- To obtain all tools related to this project, enter the development environment with `nix-shell`.
 
-  If you want to do that automatically on entering a directory:
+  If you want to do that automatically on entering this directory:
 
   - [Set up `direnv`](https://github.com/nix-community/nix-direnv#installation)
   - Run `direnv allow` in the directory where repository is stored on your machine

panel/default.nix

@@ -21,8 +21,7 @@ in
       pkgs.npins
       manage
 
-      # NixOps4 and its dependencies
-      # FIXME: grab NixOps4 and add it here
+      pkgs.nixops4
       pkgs.nix
       pkgs.openssh
     ];