refactor rice into config

desktop/wm.nix

@@ -1,85 +0,0 @@
-{
-  pkgs,
-  mainUser,
-  rice,
-  inputs,
-  ...
-}:
-{
-  imports = [
-    inputs.niri.nixosModules.niri
-    inputs.niri-tag.nixosModules.niri-tag
-  ];
-  hm.programs.niri.settings = {
-    input = {
-      warp-mouse-to-focus.enable = true;
-    };
-    cursor = {
-      hide-after-inactive-ms = 5000;
-      hide-when-typing = true;
-      size = 16;
-      theme = rice.cursor.name;
-    };
-    layout = {
-      always-center-single-column = true;
-      gaps = 24;
-      default-column-width.proportion = 0.5;
-      preset-column-widths = map (p: { proportion = p; }) [
-        (2.0 / 3.0)
-        0.5
-        (1.0 / 3.0)
-      ];
-      focus-ring =
-        let
-          pal = rice.palette.hex;
-        in
-        {
-          active = {
-            color = pal.bright.yellow;
-          };
-          inactive = {
-            color = pal.normal.black;
-          };
-        };
-    };
-    prefer-no-csd = true;
-    hotkey-overlay.skip-at-startup = true;
-    window-rules =
-      let
-        v = 10.0;
-      in
-      [
-        {
-          geometry-corner-radius = {
-            bottom-left = v;
-            bottom-right = 0.0;
-            top-left = 0.0;
-            top-right = v;
-          };
-          clip-to-geometry = true;
-        }
-      ];
-  };
-
-  services.greetd = {
-    enable = true;
-    restart = false;
-    settings =
-      let
-        session = {
-          command = "niri-session";
-          user = "${mainUser}";
-        };
-      in
-      {
-        default_session = session;
-        initial_session = session;
-      };
-  };
-  programs.niri = {
-    enable = true;
-    package = inputs.niri.packages.${pkgs.system}.niri-unstable;
-  };
-  services.niri-tag.enable = true;
-
-}