init manage.hs script

colors and helpful output

remove Justfile

build manage as a package

add manage as a precompiled tool to installer

shell.nix

@@ -6,6 +6,7 @@ in
     overlays = map import [
       ./nix/overlays/disko.nix
       ./nix/overlays/npins.nix
+      ./nix/packages/overlay.nix
     ];
   },
   withGHC ? false,
@@ -17,11 +18,10 @@ pkgs.mkShell {
   packages =
     with pkgs;
     [
-      just
-      jq
-      npins
+      npins # from npins repo
+      disko # from disko flake
+      manage
       nixos-anywhere # comes from nixpkgs
-      disko # comes from disko flake
     ]
     ++ lib.optionals withGHC [
       (haskellPackages.ghcWithPackages (self: [