systemPackages: refactor/simplify pkgset import and resolution

flake.nix

@@ -19,6 +19,7 @@
     };
     nvim-lazy = {
       url = "git+https://git.ophanim.de/derped/lazy.nvim.nix.git";
+      # url = "git+file:///home/derped/Projects/nvim";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
@@ -51,6 +52,10 @@
           path = toString ./pkgs;
           fullPath = true;
         };
+        pkgsetFiles = fn.lst {
+          path = toString ./pkgsets;
+          fullPath = true;
+        };
         serviceFiles = fn.lst {
           path = toString ./services;
           fullPath = true;
@@ -85,6 +90,7 @@
                 ++ machineFiles
                 ++ configFiles
                 ++ pkgsFiles
+                ++ pkgsetFiles
                 ++ serviceFiles;
             };
         };