expose packages output, add it to global nixpkgs

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

flake.nix

@@ -154,6 +154,7 @@
       );
       inherit (lib.adev.systems) genSystems getImages;
       inherit (self) outputs; # for hydra
+
     in
     rec {
       inherit lib; # for allowing use of custom functions in nix repl
@@ -168,10 +169,7 @@
         qcow = getImages nixosConfigurations "qcow";
       };
 
-      packages.x86_64-linux.lego-latest =
-        nixpkgs.legacyPackages.x86_64-linux.callPackage ./pkgs/lego-latest/default.nix
-          { };
-
+      packages = import ./packages { pkgs = nixpkgs.legacyPackages.x86_64-linux; };
       checks = import ./checks.nix { inherit inputs forEachSystem formatter; };
       devShells = import ./shell.nix { inherit inputs forEachSystem checks; };