refactor rice into config

graphical/boot.nix

@@ -0,0 +1,40 @@
+{ config, ... }:
+let
+  inherit (config) rice;
+in
+{
+  boot.tmp.useTmpfs = true;
+
+  boot.initrd.systemd.enable = true;
+
+  boot.loader.limine = {
+    enable = true;
+    style =
+      let
+        pal = rice.palette.shortHex;
+      in
+      {
+        wallpapers = [ rice.bg.src ];
+        interface = {
+          brandingColor = 1;
+          branding = "welcome to quiver";
+        };
+        graphicalTerminal =
+          let
+            getPal = p: builtins.attrValues p |> builtins.concatStringsSep ";";
+          in
+          {
+            palette = getPal pal.normal;
+            brightPalette = getPal pal.bright;
+            marginGradient = 0;
+            margin = 256;
+            foreground = pal.util.fg;
+            background = "20" + pal.util.bg;
+            brightForeground = pal.bright.yellow;
+            brightBackground = pal.util.bg;
+          };
+        backdrop = pal.util.bg;
+      };
+    maxGenerations = 5;
+  };
+}