Add cava music visualiser with colour config

home/cava/default.nix

@@ -0,0 +1,17 @@
+{config, ...}: {
+  programs.cava = {
+    enable = true;
+    settings = {
+      color = with config.lib.stylix.colors; {
+        gradient = 1;
+        gradient_count = 6;
+        gradient_color_1 = "'${withHashtag.red}'";
+        gradient_color_2 = "'${withHashtag.yellow}'";
+        gradient_color_3 = "'${withHashtag.green}'";
+        gradient_color_4 = "'${withHashtag.cyan}'";
+        gradient_color_5 = "'${withHashtag.blue}'";
+        gradient_color_6 = "'${withHashtag.magenta}'";
+      };
+    };
+  };
+}

home/hyprland/default.nix

@@ -18,6 +18,7 @@
     ../emacs/default.nix
     ../nyxt/default.nix
     ../obs/default.nix
+    ../cava/default.nix
   ];
   home.packages = with pkgs; [
     candy-icons