refactor: cleaned up nixos and home dirs

modules/nixos/default.nix

@@ -0,0 +1,104 @@
+let
+  collectDirs =
+    path:
+    let
+      content = builtins.readDir path;
+      subdirs = builtins.filter (name: content.${name} == "directory") (builtins.attrNames content);
+      buildPath = name: path + "/${name}";
+
+      thisDirs = map buildPath subdirs;
+      subDirs = builtins.concatMap collectDirs thisDirs;
+    in
+    [ path ] ++ subDirs;
+
+  directoryImport =
+    path:
+    builtins.listToAttrs (
+      map (dir: {
+        name = baseNameOf (toString dir);
+        value = import dir;
+      }) (collectDirs path)
+    );
+
+  modules = directoryImport ./.;
+in
+{
+  flake.nixosModules = {
+    desktop = {
+      imports = builtins.attrValues {
+        inherit (modules)
+          mullvad
+          syncthing
+          ollama
+          hypr
+          wayland
+          xserver
+          ;
+      };
+    };
+
+    fallaryn = {
+      imports = builtins.attrValues {
+        inherit (modules)
+          plasma
+          sddm
+          tablet
+          ;
+      };
+    };
+
+    laptop = {
+      imports = builtins.attrValues {
+        inherit (modules)
+          gnome
+          xserver
+          ;
+      };
+    };
+
+    server = {
+      imports = builtins.attrValues {
+        inherit (modules)
+          acme
+          caddy
+          jellyfin
+          logrotate
+          mastodon
+          minecraft
+          ollama
+          website
+          postgresql
+          samba
+          vaultwarden
+          forgejo
+          ;
+      };
+    };
+
+    sops = {
+      imports = builtins.attrValues {
+        inherit (modules)
+          sops
+          ;
+      };
+    };
+
+    system = {
+      imports = builtins.attrValues {
+        inherit (modules)
+          hardware
+          programs
+          ;
+      };
+    };
+
+    core = {
+      imports = builtins.attrValues {
+        inherit (modules)
+          core
+          xserver
+          ;
+      };
+    };
+  };
+}